126503880 has 32 divisors (see below), whose sum is σ = 379512000. Its totient is φ = 33734336.

The previous prime is 126503873. The next prime is 126503891. The reversal of 126503880 is 88305621.

It is a happy number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 526980 + ... + 527219.

It is an arithmetic number, because the mean of its divisors is an integer number (11859750).

Almost surely, 2^126503880 is an apocalyptic number.

126503880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126503880 is an abundant number, since it is smaller than the sum of its proper divisors (253008120).

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

126503880 is a wasteful number, since it uses less digits than its factorization.

126503880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054213 (or 1054209 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 126503880 is about 11247.3943649185. The cubic root of 126503880 is about 501.9971852141.

The spelling of 126503880 in words is "one hundred twenty-six million, five hundred three thousand, eight hundred eighty".