126312560 has 40 divisors (see below), whose sum is σ = 320376816. Its totient is φ = 45931520.

The previous prime is 126312559. The next prime is 126312581. The reversal of 126312560 is 65213621.

It is a tau number, because it is divible by the number of its divisors (40).

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, 70889 + ... + 72648.

Almost surely, 2^126312560 is an apocalyptic number.

126312560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126312560 is an abundant number, since it is smaller than the sum of its proper divisors (194064256).

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

126312560 is a wasteful number, since it uses less digits than its factorization.

126312560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143561 (or 143555 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 126312560 is about 11238.8860657985. The cubic root of 126312560 is about 501.7439899258.

The spelling of 126312560 in words is "one hundred twenty-six million, three hundred twelve thousand, five hundred sixty".