126313772562 has 24 divisors (see below), whose sum is σ = 273698400924. Its totient is φ = 42101735424.

The previous prime is 126313772551. The next prime is 126313772573. The reversal of 126313772562 is 265277313621.

126313772562 is a `hidden beast` number, since 1 + 2 + 6 + 3 + 13 + 7 + 72 + 562 = 666.

It is an interprime number because it is at equal distance from previous prime (126313772551) and next prime (126313772573).

It can be written as a sum of positive squares in 2 ways, for example, as 125662451121 + 651321441 = 354489^2 + 25521^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43858 + ... + 504530.

Almost surely, 2^126313772562 is an apocalyptic number.

126313772562 is an abundant number, since it is smaller than the sum of its proper divisors (147384628362).

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

126313772562 is a wasteful number, since it uses less digits than its factorization.

126313772562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475914 (or 475911 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The spelling of 126313772562 in words is "one hundred twenty-six billion, three hundred thirteen million, seven hundred seventy-two thousand, five hundred sixty-two".