126771756 has 24 divisors (see below), whose sum is σ = 297292800. Its totient is φ = 42044112.

The previous prime is 126771721. The next prime is 126771763. The reversal of 126771756 is 657177621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24156 + ... + 28931.

It is an arithmetic number, because the mean of its divisors is an integer number (12387200).

Almost surely, 2^126771756 is an apocalyptic number.

It is an amenable number.

126771756 is an abundant number, since it is smaller than the sum of its proper divisors (170521044).

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

126771756 is a wasteful number, since it uses less digits than its factorization.

126771756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53293 (or 53291 counting only the distinct ones).

The product of its digits is 123480, while the sum is 42.

The square root of 126771756 is about 11259.2964256209. The cubic root of 126771756 is about 502.3512670877.

The spelling of 126771756 in words is "one hundred twenty-six million, seven hundred seventy-one thousand, seven hundred fifty-six".