126465564 has 24 divisors (see below), whose sum is σ = 295626240. Its totient is φ = 42078064.

The previous prime is 126465551. The next prime is 126465571. The reversal of 126465564 is 465564621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2604 + ... + 16115.

It is an arithmetic number, because the mean of its divisors is an integer number (12317760).

Almost surely, 2^126465564 is an apocalyptic number.

It is an amenable number.

126465564 is an abundant number, since it is smaller than the sum of its proper divisors (169160676).

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

126465564 is a wasteful number, since it uses less digits than its factorization.

126465564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19289 (or 19287 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 126465564 is about 11245.6909080767. The cubic root of 126465564 is about 501.9464977927.

The spelling of 126465564 in words is "one hundred twenty-six million, four hundred sixty-five thousand, five hundred sixty-four".