125452899 has 48 divisors (see below), whose sum is σ = 215115264. Its totient is φ = 69451200.

The previous prime is 125452883. The next prime is 125452919. The reversal of 125452899 is 998254521.

It is a happy number.

125452899 is a `hidden beast` number, since 12 + 545 + 2 + 8 + 99 = 666.

It is not a de Polignac number, because 125452899 - 2⁴ = 125452883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125452819) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137254 + ... + 138164.

It is an arithmetic number, because the mean of its divisors is an integer number (4481568).

Almost surely, 2^125452899 is an apocalyptic number.

125452899 is a deficient number, since it is larger than the sum of its proper divisors (89662365).

125452899 is a wasteful number, since it uses less digits than its factorization.

125452899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 1045 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 125452899 is about 11200.5758334114. The cubic root of 125452899 is about 500.6031374911.

The spelling of 125452899 in words is "one hundred twenty-five million, four hundred fifty-two thousand, eight hundred ninety-nine".