126772793 has 4 divisors (see below), whose sum is σ = 144883200. Its totient is φ = 108662388.

The previous prime is 126772759. The next prime is 126772817. The reversal of 126772793 is 397277621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 126772793 - 2²⁴ = 109995577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126772753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9055193 + ... + 9055206.

It is an arithmetic number, because the mean of its divisors is an integer number (36220800).

Almost surely, 2^126772793 is an apocalyptic number.

It is an amenable number.

126772793 is a deficient number, since it is larger than the sum of its proper divisors (18110407).

126772793 is an equidigital number, since it uses as much as digits as its factorization.

126772793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18110406.

The product of its digits is 222264, while the sum is 44.

The square root of 126772793 is about 11259.3424763616. The cubic root of 126772793 is about 502.3526368377.

The spelling of 126772793 in words is "one hundred twenty-six million, seven hundred seventy-two thousand, seven hundred ninety-three".