126772842 has 32 divisors (see below), whose sum is σ = 306813312. Its totient is φ = 34089984.

The previous prime is 126772837. The next prime is 126772871. The reversal of 126772842 is 248277621.

It is a self number, because there is not a number n which added to its sum of digits gives 126772842.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88063 + ... + 89490.

It is an arithmetic number, because the mean of its divisors is an integer number (9587916).

Almost surely, 2^126772842 is an apocalyptic number.

126772842 is an abundant number, since it is smaller than the sum of its proper divisors (180040470).

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

126772842 is a wasteful number, since it uses less digits than its factorization.

126772842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177582.

The product of its digits is 75264, while the sum is 39.

The square root of 126772842 is about 11259.3446523321. The cubic root of 126772842 is about 502.3527015605.

The spelling of 126772842 in words is "one hundred twenty-six million, seven hundred seventy-two thousand, eight hundred forty-two".