126719764 has 6 divisors (see below), whose sum is σ = 221759594. Its totient is φ = 63359880.

The previous prime is 126719743. The next prime is 126719771. The reversal of 126719764 is 467917621.

It can be written as a sum of positive squares in only one way, i.e., 106090000 + 20629764 = 10300^2 + 4542^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 126719764.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15839967 + ... + 15839974.

Almost surely, 2^126719764 is an apocalyptic number.

It is an amenable number.

126719764 is a deficient number, since it is larger than the sum of its proper divisors (95039830).

126719764 is a wasteful number, since it uses less digits than its factorization.

126719764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31679945 (or 31679943 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 126719764 is about 11256.9873412028. The cubic root of 126719764 is about 502.2825824445.

The spelling of 126719764 in words is "one hundred twenty-six million, seven hundred nineteen thousand, seven hundred sixty-four".