122959428 has 24 divisors (see below), whose sum is σ = 288628032. Its totient is φ = 40740384.

The previous prime is 122959411. The next prime is 122959457. The reversal of 122959428 is 824959221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122959428.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28675 + ... + 32682.

It is an arithmetic number, because the mean of its divisors is an integer number (12026168).

Almost surely, 2^122959428 is an apocalyptic number.

It is an amenable number.

122959428 is an abundant number, since it is smaller than the sum of its proper divisors (165668604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122959428 is a wasteful number, since it uses less digits than its factorization.

122959428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61531 (or 61529 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 122959428 is about 11088.7072285276. The cubic root of 122959428 is about 497.2642964848.

The spelling of 122959428 in words is "one hundred twenty-two million, nine hundred fifty-nine thousand, four hundred twenty-eight".