122561233974 has 32 divisors (see below), whose sum is σ = 275720755680. Its totient is φ = 40853743200.

The previous prime is 122561233957. The next prime is 122561233981. The reversal of 122561233974 is 479332165221.

It is a happy number.

122561233974 is a `hidden beast` number, since 1 + 2 + 25 + 612 + 3 + 3 + 9 + 7 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14005827 + ... + 14014574.

It is an arithmetic number, because the mean of its divisors is an integer number (8616273615).

Almost surely, 2^122561233974 is an apocalyptic number.

122561233974 is an abundant number, since it is smaller than the sum of its proper divisors (153159521706).

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

122561233974 is an frugal number, since it uses more digits than its factorization.

122561233974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28020424 (or 28020406 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The spelling of 122561233974 in words is "one hundred twenty-two billion, five hundred sixty-one million, two hundred thirty-three thousand, nine hundred seventy-four".