125425399 has 8 divisors (see below), whose sum is σ = 137813760. Its totient is φ = 113201400.

The previous prime is 125425387. The next prime is 125425423. The reversal of 125425399 is 993524521.

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

It is a cyclic number.

It is not a de Polignac number, because 125425399 - 2⁷ = 125425271 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 (125425309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39487 + ... + 42544.

It is an arithmetic number, because the mean of its divisors is an integer number (17226720).

Almost surely, 2^125425399 is an apocalyptic number.

125425399 is a deficient number, since it is larger than the sum of its proper divisors (12388361).

125425399 is a wasteful number, since it uses less digits than its factorization.

125425399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82181.

The product of its digits is 97200, while the sum is 40.

The square root of 125425399 is about 11199.3481506738. The cubic root of 125425399 is about 500.5665564518.

It can be divided in two parts, 125 and 425399, that added together give a palindrome (425524).

The spelling of 125425399 in words is "one hundred twenty-five million, four hundred twenty-five thousand, three hundred ninety-nine".