Search a number
-
+
122010102 = 2326778339
BaseRepresentation
bin1110100010110…
…11100111110110
322111120202101200
413101123213312
5222213310402
620035033330
73011032404
oct721334766
9274522350
10122010102
1162964aa5
1234a3b846
131c37bb36
14122c0474
15aaa121c
hex745b9f6

122010102 has 12 divisors (see below), whose sum is σ = 264355260. Its totient is φ = 40670028.

The previous prime is 122010059. The next prime is 122010103. The reversal of 122010102 is 201010221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122010103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3389152 + ... + 3389187.

It is an arithmetic number, because the mean of its divisors is an integer number (22029605).

Almost surely, 2122010102 is an apocalyptic number.

122010102 is an abundant number, since it is smaller than the sum of its proper divisors (142345158).

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

122010102 is a wasteful number, since it uses less digits than its factorization.

122010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6778347 (or 6778344 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 122010102 is about 11045.8183037745. The cubic root of 122010102 is about 495.9812552533.

Adding to 122010102 its reverse (201010221), we get a palindrome (323020323).

The spelling of 122010102 in words is "one hundred twenty-two million, ten thousand, one hundred two".

Divisors: 1 2 3 6 9 18 6778339 13556678 20335017 40670034 61005051 122010102