125752901 has 4 divisors (see below), whose sum is σ = 125775552. Its totient is φ = 125730252.

The previous prime is 125752897. The next prime is 125752909. The reversal of 125752901 is 109257521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125752901 - 2² = 125752897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125752909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3290 + ... + 16196.

It is an arithmetic number, because the mean of its divisors is an integer number (31443888).

Almost surely, 2^125752901 is an apocalyptic number.

It is an amenable number.

125752901 is a deficient number, since it is larger than the sum of its proper divisors (22651).

125752901 is an equidigital number, since it uses as much as digits as its factorization.

125752901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22650.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 125752901 is about 11213.9600944537. The cubic root of 125752901 is about 501.0018592154.

The spelling of 125752901 in words is "one hundred twenty-five million, seven hundred fifty-two thousand, nine hundred one".