125027280 has 160 divisors (see below), whose sum is σ = 492230400. Its totient is φ = 28574208.

The previous prime is 125027267. The next prime is 125027291. The reversal of 125027280 is 82720521.

125027280 is a `hidden beast` number, since 12 + 502 + 72 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10986 + ... + 19254.

It is an arithmetic number, because the mean of its divisors is an integer number (3076440).

Almost surely, 2^125027280 is an apocalyptic number.

125027280 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 125027280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246115200).

125027280 is an abundant number, since it is smaller than the sum of its proper divisors (367203120).

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

125027280 is a wasteful number, since it uses less digits than its factorization.

125027280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8298 (or 8286 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 125027280 is about 11181.5598196316. The cubic root of 125027280 is about 500.0363706876.

The spelling of 125027280 in words is "one hundred twenty-five million, twenty-seven thousand, two hundred eighty".