126957065759 has 8 divisors (see below), whose sum is σ = 130225412688. Its totient is φ = 123696901440.

The previous prime is 126957065749. The next prime is 126957065761. The reversal of 126957065759 is 957560759621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126957065759 - 2⁸ = 126957065503 is a prime.

It is a super-2 number, since 2×126957065759² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126957065749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2014217 + ... + 2076290.

It is an arithmetic number, because the mean of its divisors is an integer number (16278176586).

Almost surely, 2^126957065759 is an apocalyptic number.

126957065759 is a deficient number, since it is larger than the sum of its proper divisors (3268346929).

126957065759 is an equidigital number, since it uses as much as digits as its factorization.

126957065759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4091305.

The product of its (nonzero) digits is 35721000, while the sum is 62.

The spelling of 126957065759 in words is "one hundred twenty-six billion, nine hundred fifty-seven million, sixty-five thousand, seven hundred fifty-nine".