126161264 has 20 divisors (see below), whose sum is σ = 250400640. Its totient is φ = 61541760.

The previous prime is 126161263. The next prime is 126161291. The reversal of 126161264 is 462161621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126161261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95504 + ... + 96815.

It is an arithmetic number, because the mean of its divisors is an integer number (12520032).

Almost surely, 2^126161264 is an apocalyptic number.

It is an amenable number.

126161264 is a deficient number, since it is larger than the sum of its proper divisors (124239376).

126161264 is a wasteful number, since it uses less digits than its factorization.

126161264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192368 (or 192362 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 126161264 is about 11232.1531328593. The cubic root of 126161264 is about 501.5435818067.

The spelling of 126161264 in words is "one hundred twenty-six million, one hundred sixty-one thousand, two hundred sixty-four".