122739031 has 8 divisors (see below), whose sum is σ = 136799280. Its totient is φ = 109438848.

The previous prime is 122738999. The next prime is 122739037. The reversal of 122739031 is 130937221.

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

It is a cyclic number.

It is not a de Polignac number, because 122739031 - 2⁵ = 122738999 is a prime.

It is a super-2 number, since 2×122739031² = 30129739461637922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122739037) 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, 189676 + ... + 190321.

It is an arithmetic number, because the mean of its divisors is an integer number (17099910).

Almost surely, 2^122739031 is an apocalyptic number.

122739031 is a deficient number, since it is larger than the sum of its proper divisors (14060249).

122739031 is a wasteful number, since it uses less digits than its factorization.

122739031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380033.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 122739031 is about 11078.7648679805. The cubic root of 122739031 is about 496.9670138574.

The spelling of 122739031 in words is "one hundred twenty-two million, seven hundred thirty-nine thousand, thirty-one".