125154120 has 256 divisors, whose sum is σ = 471421440. Its totient is φ = 25878528.

The previous prime is 125154103. The next prime is 125154143. The reversal of 125154120 is 21451521.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 797082 + ... + 797238.

It is an arithmetic number, because the mean of its divisors is an integer number (1841490).

Almost surely, 2^125154120 is an apocalyptic number.

125154120 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 125154120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235710720).

125154120 is an abundant number, since it is smaller than the sum of its proper divisors (346267320).

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

125154120 is a wasteful number, since it uses less digits than its factorization.

125154120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 125154120 is about 11187.2302202109. The cubic root of 125154120 is about 500.2054089361.

The spelling of 125154120 in words is "one hundred twenty-five million, one hundred fifty-four thousand, one hundred twenty".