125387529 has 16 divisors (see below), whose sum is σ = 182730240. Its totient is φ = 76135680.

The previous prime is 125387497. The next prime is 125387573. The reversal of 125387529 is 925783521.

It is a happy number.

It is not a de Polignac number, because 125387529 - 2⁵ = 125387497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125387429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38074 + ... + 41235.

It is an arithmetic number, because the mean of its divisors is an integer number (11420640).

Almost surely, 2^125387529 is an apocalyptic number.

It is an amenable number.

125387529 is a deficient number, since it is larger than the sum of its proper divisors (57342711).

125387529 is a wasteful number, since it uses less digits than its factorization.

125387529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79360.

The product of its digits is 151200, while the sum is 42.

The square root of 125387529 is about 11197.6572996319. The cubic root of 125387529 is about 500.5161722823.

The spelling of 125387529 in words is "one hundred twenty-five million, three hundred eighty-seven thousand, five hundred twenty-nine".