122700931 has 4 divisors (see below), whose sum is σ = 123282664. Its totient is φ = 122119200.

The previous prime is 122700863. The next prime is 122700971. The reversal of 122700931 is 139007221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122700931 - 2¹¹ = 122698883 is a prime.

It is a super-2 number, since 2×122700931² = 30111036936533522, 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 = 122700896 and 122700905.

It is not an unprimeable number, because it can be changed into a prime (122700971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290550 + ... + 290971.

It is an arithmetic number, because the mean of its divisors is an integer number (30820666).

Almost surely, 2^122700931 is an apocalyptic number.

122700931 is a deficient number, since it is larger than the sum of its proper divisors (581733).

122700931 is an equidigital number, since it uses as much as digits as its factorization.

122700931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581732.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 122700931 is about 11077.0452287602. The cubic root of 122700931 is about 496.9155865796.

The spelling of 122700931 in words is "one hundred twenty-two million, seven hundred thousand, nine hundred thirty-one".