126263876264 has 32 divisors (see below), whose sum is σ = 241581570120. Its totient is φ = 61845778176.

The previous prime is 126263876251. The next prime is 126263876311. The reversal of 126263876264 is 462678362621.

It can be written as a sum of positive squares in 4 ways, for example, as 60698176900 + 65565699364 = 246370^2 + 256058^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (53).

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, 48854 + ... + 504890.

Almost surely, 2^126263876264 is an apocalyptic number.

It is an amenable number.

126263876264 is a deficient number, since it is larger than the sum of its proper divisors (115317693856).

126263876264 is a wasteful number, since it uses less digits than its factorization.

126263876264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456749 (or 456745 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 53.

The spelling of 126263876264 in words is "one hundred twenty-six billion, two hundred sixty-three million, eight hundred seventy-six thousand, two hundred sixty-four".