125925919 has 16 divisors (see below), whose sum is σ = 152843328. Its totient is φ = 101279232.

The previous prime is 125925907. The next prime is 125925923. The reversal of 125925919 is 919529521.

It is a cyclic number.

It is not a de Polignac number, because 125925919 - 2⁷ = 125925791 is a prime.

It is a super-2 number, since 2×125925919² = 31714674151989122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125925119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42969 + ... + 45805.

It is an arithmetic number, because the mean of its divisors is an integer number (9552708).

Almost surely, 2^125925919 is an apocalyptic number.

125925919 is a deficient number, since it is larger than the sum of its proper divisors (26917409).

125925919 is a wasteful number, since it uses less digits than its factorization.

125925919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3234.

The product of its digits is 72900, while the sum is 43.

The square root of 125925919 is about 11221.6718451397. The cubic root of 125925919 is about 501.2315228791.

The spelling of 125925919 in words is "one hundred twenty-five million, nine hundred twenty-five thousand, nine hundred nineteen".