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122041031 = 7127137279
BaseRepresentation
bin1110100011000…
…11001011000111
322111122022211012
413101203023013
5222220303111
620035432435
73011221520
oct721431307
9274568735
10122041031
1162986262
1234a5571b
131c38cc38
14122cb847
15aaaa48b
hex74632c7

122041031 has 8 divisors (see below), whose sum is σ = 140574720. Its totient is φ = 103782168.

The previous prime is 122041021. The next prime is 122041043. The reversal of 122041031 is 130140221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122041031 - 210 = 122040007 is a prime.

It is a super-2 number, since 2×1220410312 = 29788026495085922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122040997 and 122041015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122041021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67751 + ... + 69528.

It is an arithmetic number, because the mean of its divisors is an integer number (17571840).

Almost surely, 2122041031 is an apocalyptic number.

122041031 is a deficient number, since it is larger than the sum of its proper divisors (18533689).

122041031 is a wasteful number, since it uses less digits than its factorization.

122041031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137413.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 122041031 is about 11047.2182471426. The cubic root of 122041031 is about 496.0231613686.

Adding to 122041031 its reverse (130140221), we get a palindrome (252181252).

The spelling of 122041031 in words is "one hundred twenty-two million, forty-one thousand, thirty-one".

Divisors: 1 7 127 889 137279 960953 17434433 122041031