125406730 has 16 divisors (see below), whose sum is σ = 233516520. Its totient is φ = 48432832.

The previous prime is 125406719. The next prime is 125406767. The reversal of 125406730 is 37604521.

It can be written as a sum of positive squares in 4 ways, for example, as 119399329 + 6007401 = 10927^2 + 2451^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215929 + ... + 216508.

Almost surely, 2^125406730 is an apocalyptic number.

125406730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125406730 is a deficient number, since it is larger than the sum of its proper divisors (108109790).

125406730 is a wasteful number, since it uses less digits than its factorization.

125406730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432473.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 125406730 is about 11198.5146336467. The cubic root of 125406730 is about 500.5417195346.

The spelling of 125406730 in words is "one hundred twenty-five million, four hundred six thousand, seven hundred thirty".