122756930 has 32 divisors (see below), whose sum is σ = 224446464. Its totient is φ = 48335616.

The previous prime is 122756923. The next prime is 122756951. The reversal of 122756930 is 39657221.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 206714 + ... + 207306.

It is an arithmetic number, because the mean of its divisors is an integer number (7013952).

Almost surely, 2^122756930 is an apocalyptic number.

122756930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122756930 is a deficient number, since it is larger than the sum of its proper divisors (101689534).

122756930 is a wasteful number, since it uses less digits than its factorization.

122756930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 122756930 is about 11079.5726451881. The cubic root of 122756930 is about 496.9911702053.

The spelling of 122756930 in words is "one hundred twenty-two million, seven hundred fifty-six thousand, nine hundred thirty".