125752387 has 4 divisors (see below), whose sum is σ = 127267560. Its totient is φ = 124237216.

The previous prime is 125752379. The next prime is 125752421. The reversal of 125752387 is 783257521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125752387 - 2³ = 125752379 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125752687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757462 + ... + 757627.

It is an arithmetic number, because the mean of its divisors is an integer number (31816890).

Almost surely, 2^125752387 is an apocalyptic number.

125752387 is a deficient number, since it is larger than the sum of its proper divisors (1515173).

125752387 is an equidigital number, since it uses as much as digits as its factorization.

125752387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515172.

The product of its digits is 117600, while the sum is 40.

The square root of 125752387 is about 11213.9371765674. The cubic root of 125752387 is about 501.0011766194.

The spelling of 125752387 in words is "one hundred twenty-five million, seven hundred fifty-two thousand, three hundred eighty-seven".