126711944 has 8 divisors (see below), whose sum is σ = 237584910. Its totient is φ = 63355968.

The previous prime is 126711943. The next prime is 126711961. The reversal of 126711944 is 449117621.

It can be written as a sum of positive squares in only one way, i.e., 124055044 + 2656900 = 11138^2 + 1630^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (126711943) by changing a digit.

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 as a sum of consecutive naturals, namely, 7919489 + ... + 7919504.

Almost surely, 2^126711944 is an apocalyptic number.

It is an amenable number.

126711944 is a deficient number, since it is larger than the sum of its proper divisors (110872966).

126711944 is a wasteful number, since it uses less digits than its factorization.

126711944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15838999 (or 15838995 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 126711944 is about 11256.6399960201. The cubic root of 126711944 is about 502.2722501163.

The spelling of 126711944 in words is "one hundred twenty-six million, seven hundred eleven thousand, nine hundred forty-four".