125387530 has 8 divisors (see below), whose sum is σ = 225697572. Its totient is φ = 50155008.

The previous prime is 125387497. The next prime is 125387573. The reversal of 125387530 is 35783521.

It can be written as a sum of positive squares in 2 ways, for example, as 117874449 + 7513081 = 10857^2 + 2741^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6269367 + ... + 6269386.

Almost surely, 2^125387530 is an apocalyptic number.

125387530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125387530 is a deficient number, since it is larger than the sum of its proper divisors (100310042).

125387530 is a wasteful number, since it uses less digits than its factorization.

125387530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12538760.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 125387530 is about 11197.6573442841. The cubic root of 125387530 is about 500.5161736129.

The spelling of 125387530 in words is "one hundred twenty-five million, three hundred eighty-seven thousand, five hundred thirty".