122574877938 has 126 divisors (see below), whose sum is σ = 282600251031. Its totient is φ = 39855662496.

The previous prime is 122574877903. The next prime is 122574877939. The reversal of 122574877938 is 839778475221.

122574877938 is a `hidden beast` number, since 1 + 2 + 2 + 57 + 487 + 79 + 38 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 121858940889 + 715937049 = 349083^2 + 26757^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=247563.

It is not an unprimeable number, because it can be changed into a prime (122574877939) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 708525220 + ... + 708525392.

Almost surely, 2^122574877938 is an apocalyptic number.

122574877938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122574877938

122574877938 is an abundant number, since it is smaller than the sum of its proper divisors (160025373093).

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

122574877938 is an frugal number, since it uses more digits than its factorization.

122574877938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472 (or 231 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 63.

The spelling of 122574877938 in words is "one hundred twenty-two billion, five hundred seventy-four million, eight hundred seventy-seven thousand, nine hundred thirty-eight".