122607428 has 12 divisors (see below), whose sum is σ = 218200080. Its totient is φ = 60264552.

The previous prime is 122607427. The next prime is 122607431. The reversal of 122607428 is 824706221.

It is a junction number, because it is equal to n+sod(n) for n = 122607394 and 122607403.

It is not an unprimeable number, because it can be changed into a prime (122607427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259526 + ... + 259997.

It is an arithmetic number, because the mean of its divisors is an integer number (18183340).

Almost surely, 2^122607428 is an apocalyptic number.

It is an amenable number.

122607428 is a deficient number, since it is larger than the sum of its proper divisors (95592652).

122607428 is a wasteful number, since it uses less digits than its factorization.

122607428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519586 (or 519584 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 122607428 is about 11072.8238494072. The cubic root of 122607428 is about 496.7893313427.

The spelling of 122607428 in words is "one hundred twenty-two million, six hundred seven thousand, four hundred twenty-eight".