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122001030 = 23251797573
BaseRepresentation
bin1110100010110…
…01011010000110
322111120021221200
413101121122012
5222213013110
620034523330
73010664064
oct721313206
9274507850
10122001030
11629591a8
1234a36546
131c377978
14122bb034
15aa9d6c0
hex7459686

122001030 has 48 divisors (see below), whose sum is σ = 319016880. Its totient is φ = 32347584.

The previous prime is 122001013. The next prime is 122001041. The reversal of 122001030 is 30100221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12324 + ... + 19896.

It is an arithmetic number, because the mean of its divisors is an integer number (6646185).

Almost surely, 2122001030 is an apocalyptic number.

122001030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122001030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159508440).

122001030 is an abundant number, since it is smaller than the sum of its proper divisors (197015850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122001030 is a wasteful number, since it uses less digits than its factorization.

122001030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7765 (or 7762 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 122001030 is about 11045.4076429981. The cubic root of 122001030 is about 495.9689621360.

Adding to 122001030 its reverse (30100221), we get a palindrome (152101251).

The spelling of 122001030 in words is "one hundred twenty-two million, one thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 179 358 537 895 1074 1611 1790 2685 3222 5370 7573 8055 15146 16110 22719 37865 45438 68157 75730 113595 136314 227190 340785 681570 1355567 2711134 4066701 6777835 8133402 12200103 13555670 20333505 24400206 40667010 61000515 122001030