126918862528 has 28 divisors (see below), whose sum is σ = 251917794360. Its totient is φ = 63443512832.

The previous prime is 126918862493. The next prime is 126918862541. The reversal of 126918862528 is 825268819621.

It is a super-3 number, since 3×126918862528³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10500 + ... + 503932.

Almost surely, 2^126918862528 is an apocalyptic number.

It is an amenable number.

126918862528 is a deficient number, since it is larger than the sum of its proper divisors (124998931832).

126918862528 is an equidigital number, since it uses as much as digits as its factorization.

126918862528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497464 (or 497454 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 58.

It can be divided in two parts, 1269188 and 62528, that added together give a square (1331716 = 1154²).

The spelling of 126918862528 in words is "one hundred twenty-six billion, nine hundred eighteen million, eight hundred sixty-two thousand, five hundred twenty-eight".