125051130 has 48 divisors (see below), whose sum is σ = 328375944. Its totient is φ = 33014400.

The previous prime is 125051123. The next prime is 125051131. The reversal of 125051130 is 31150521.

125051130 is a `hidden beast` number, since 125 + 0 + 511 + 30 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 100340289 + 24710841 = 10017^2 + 4971^2 .

It is a super-2 number, since 2×125051130² = 31275570228553800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (125051131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2212 + ... + 15968.

Almost surely, 2^125051130 is an apocalyptic number.

125051130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125051130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164187972).

125051130 is an abundant number, since it is smaller than the sum of its proper divisors (203324814).

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

125051130 is a wasteful number, since it uses less digits than its factorization.

125051130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13871 (or 13868 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 125051130 is about 11182.6262568325. The cubic root of 125051130 is about 500.0681640402.

The spelling of 125051130 in words is "one hundred twenty-five million, fifty-one thousand, one hundred thirty".