122029931 has 2 divisors, whose sum is σ = 122029932. Its totient is φ = 122029930.

The previous prime is 122029891. The next prime is 122029937. The reversal of 122029931 is 139920221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122029931 - 2⁶ = 122029867 is a prime.

It is a super-2 number, since 2×122029931² = 29782608119729522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 122029894 and 122029903.

It is not a weakly prime, because it can be changed into another prime (122029937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61014965 + 61014966.

It is an arithmetic number, because the mean of its divisors is an integer number (61014966).

Almost surely, 2^122029931 is an apocalyptic number.

122029931 is a deficient number, since it is larger than the sum of its proper divisors (1).

122029931 is an equidigital number, since it uses as much as digits as its factorization.

122029931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 122029931 is about 11046.7158468026. The cubic root of 122029931 is about 496.0081226449.

The spelling of 122029931 in words is "one hundred twenty-two million, twenty-nine thousand, nine hundred thirty-one".