125432730 has 24 divisors (see below), whose sum is σ = 326125332. Its totient is φ = 33448704.

The previous prime is 125432729. The next prime is 125432753. The reversal of 125432730 is 37234521.

It can be written as a sum of positive squares in 2 ways, for example, as 125417601 + 15129 = 11199^2 + 123^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125432694 and 125432703.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 696759 + ... + 696938.

Almost surely, 2^125432730 is an apocalyptic number.

125432730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125432730 is an abundant number, since it is smaller than the sum of its proper divisors (200692602).

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

125432730 is a wasteful number, since it uses less digits than its factorization.

125432730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393710 (or 1393707 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 125432730 is about 11199.6754417260. The cubic root of 125432730 is about 500.5763088144.

The spelling of 125432730 in words is "one hundred twenty-five million, four hundred thirty-two thousand, seven hundred thirty".