126665976 has 16 divisors (see below), whose sum is σ = 316665000. Its totient is φ = 42221984.

The previous prime is 126665971. The next prime is 126665977. The reversal of 126665976 is 679566621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126665971) 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, 2638851 + ... + 2638898.

Almost surely, 2^126665976 is an apocalyptic number.

It is an amenable number.

126665976 is an abundant number, since it is smaller than the sum of its proper divisors (189999024).

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

126665976 is a wasteful number, since it uses less digits than its factorization.

126665976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277758 (or 5277754 counting only the distinct ones).

The product of its digits is 816480, while the sum is 48.

The square root of 126665976 is about 11254.5979937091. The cubic root of 126665976 is about 502.2115053998.

The spelling of 126665976 in words is "one hundred twenty-six million, six hundred sixty-five thousand, nine hundred seventy-six".