125130840 has 64 divisors (see below), whose sum is σ = 377049600. Its totient is φ = 33220992.

The previous prime is 125130823. The next prime is 125130857. The reversal of 125130840 is 48031521.

It is an interprime number because it is at equal distance from previous prime (125130823) and next prime (125130857).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 125130840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26499 + ... + 30861.

It is an arithmetic number, because the mean of its divisors is an integer number (5891400).

Almost surely, 2^125130840 is an apocalyptic number.

125130840 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 125130840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188524800).

125130840 is an abundant number, since it is smaller than the sum of its proper divisors (251918760).

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

125130840 is a wasteful number, since it uses less digits than its factorization.

125130840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4616 (or 4612 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 125130840 is about 11186.1896998040. The cubic root of 125130840 is about 500.1743925008.

The spelling of 125130840 in words is "one hundred twenty-five million, one hundred thirty thousand, eight hundred forty".