122932913 has 2 divisors, whose sum is σ = 122932914. Its totient is φ = 122932912.

The previous prime is 122932891. The next prime is 122932939. The reversal of 122932913 is 319239221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68939809 + 53993104 = 8303^2 + 7348^2 .

It is a cyclic number.

It is not a de Polignac number, because 122932913 - 2¹⁰ = 122931889 is a prime.

It is a super-2 number, since 2×122932913² = 30225002197331138, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122932913.

It is not a weakly prime, because it can be changed into another prime (122932963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61466456 + 61466457.

It is an arithmetic number, because the mean of its divisors is an integer number (61466457).

Almost surely, 2^122932913 is an apocalyptic number.

It is an amenable number.

122932913 is a deficient number, since it is larger than the sum of its proper divisors (1).

122932913 is an equidigital number, since it uses as much as digits as its factorization.

122932913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 32.

The square root of 122932913 is about 11087.5115783480. The cubic root of 122932913 is about 497.2285505186.

The spelling of 122932913 in words is "one hundred twenty-two million, nine hundred thirty-two thousand, nine hundred thirteen".