122989603628 has 12 divisors (see below), whose sum is σ = 216132359520. Its totient is φ = 61237500912.

The previous prime is 122989603613. The next prime is 122989603697. The reversal of 122989603628 is 826306989221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64324151 + ... + 64326062.

It is an arithmetic number, because the mean of its divisors is an integer number (18011029960).

Almost surely, 2^122989603628 is an apocalyptic number.

It is an amenable number.

122989603628 is a deficient number, since it is larger than the sum of its proper divisors (93142755892).

122989603628 is a wasteful number, since it uses less digits than its factorization.

122989603628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128650456 (or 128650454 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 122989603628 in words is "one hundred twenty-two billion, nine hundred eighty-nine million, six hundred three thousand, six hundred twenty-eight".