125372730 has 64 divisors (see below), whose sum is σ = 345305088. Its totient is φ = 28537920.

The previous prime is 125372717. The next prime is 125372789. The reversal of 125372730 is 37273521.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 55809 + ... + 58011.

It is an arithmetic number, because the mean of its divisors is an integer number (5395392).

Almost surely, 2^125372730 is an apocalyptic number.

125372730 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 125372730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172652544).

125372730 is an abundant number, since it is smaller than the sum of its proper divisors (219932358).

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

125372730 is a wasteful number, since it uses less digits than its factorization.

125372730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 125372730 is about 11196.9964722688. The cubic root of 125372730 is about 500.4964801850.

The spelling of 125372730 in words is "one hundred twenty-five million, three hundred seventy-two thousand, seven hundred thirty".