125999995 has 16 divisors (see below), whose sum is σ = 165312000. Its totient is φ = 91432800.

The previous prime is 125999959. The next prime is 126000013. The reversal of 125999995 is 599999521.

It is not a de Polignac number, because 125999995 - 2⁹ = 125999483 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25150 + ... + 29740.

It is an arithmetic number, because the mean of its divisors is an integer number (10332000).

Almost surely, 2^125999995 is an apocalyptic number.

125999995 is a deficient number, since it is larger than the sum of its proper divisors (39312005).

125999995 is a wasteful number, since it uses less digits than its factorization.

125999995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106.

The product of its digits is 2952450, while the sum is 58.

The square root of 125999995 is about 11224.9719376041. The cubic root of 125999995 is about 501.3297868651.

The spelling of 125999995 in words is "one hundred twenty-five million, nine hundred ninety-nine thousand, nine hundred ninety-five".