122704031 has 2 divisors, whose sum is σ = 122704032. Its totient is φ = 122704030.

The previous prime is 122704019. The next prime is 122704037. The reversal of 122704031 is 130407221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122704031 - 2⁶ = 122703967 is a prime.

It is a super-2 number, since 2×122704031² = 30112558447297922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122703994 and 122704012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122704037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61352015 + 61352016.

It is an arithmetic number, because the mean of its divisors is an integer number (61352016).

Almost surely, 2^122704031 is an apocalyptic number.

122704031 is a deficient number, since it is larger than the sum of its proper divisors (1).

122704031 is an equidigital number, since it uses as much as digits as its factorization.

122704031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 122704031 is about 11077.1851568889. The cubic root of 122704031 is about 496.9197713491.

The spelling of 122704031 in words is "one hundred twenty-two million, seven hundred four thousand, thirty-one".