122724974 has 8 divisors (see below), whose sum is σ = 184466928. Its totient is φ = 61236000.

The previous prime is 122724961. The next prime is 122724977. The reversal of 122724974 is 479427221.

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

It is a super-2 number, since 2×122724974² = 30122838486601352, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122724977) 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 in 3 ways as a sum of consecutive naturals, for example, 62027 + ... + 63974.

It is an arithmetic number, because the mean of its divisors is an integer number (23058366).

Almost surely, 2^122724974 is an apocalyptic number.

122724974 is a deficient number, since it is larger than the sum of its proper divisors (61741954).

122724974 is a wasteful number, since it uses less digits than its factorization.

122724974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126490.

The product of its digits is 56448, while the sum is 38.

The square root of 122724974 is about 11078.1304379394. The cubic root of 122724974 is about 496.9480409956.

The spelling of 122724974 in words is "one hundred twenty-two million, seven hundred twenty-four thousand, nine hundred seventy-four".