126317880 has 160 divisors (see below), whose sum is σ = 457380000. Its totient is φ = 31083264.

The previous prime is 126317831. The next prime is 126317897. The reversal of 126317880 is 88713621.

126317880 is a `hidden beast` number, since 12 + 631 + 7 + 8 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 40621 + ... + 43619.

It is an arithmetic number, because the mean of its divisors is an integer number (2858625).

Almost surely, 2^126317880 is an apocalyptic number.

126317880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126317880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228690000).

126317880 is an abundant number, since it is smaller than the sum of its proper divisors (331062120).

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

126317880 is a wasteful number, since it uses less digits than its factorization.

126317880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035 (or 3022 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 126317880 is about 11239.1227415666. The cubic root of 126317880 is about 501.7510339351.

The spelling of 126317880 in words is "one hundred twenty-six million, three hundred seventeen thousand, eight hundred eighty".