125448399 has 16 divisors (see below), whose sum is σ = 186396000. Its totient is φ = 83386368.

The previous prime is 125448373. The next prime is 125448467. The reversal of 125448399 is 993844521.

125448399 is a `hidden beast` number, since 1 + 254 + 4 + 8 + 399 = 666.

It is not a de Polignac number, because 125448399 - 2⁹ = 125447887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125448359) 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, 2767 + ... + 16079.

It is an arithmetic number, because the mean of its divisors is an integer number (11649750).

Almost surely, 2^125448399 is an apocalyptic number.

125448399 is a deficient number, since it is larger than the sum of its proper divisors (60947601).

125448399 is a wasteful number, since it uses less digits than its factorization.

125448399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13671 (or 13665 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 125448399 is about 11200.3749490809. The cubic root of 125448399 is about 500.5971518687.

The spelling of 125448399 in words is "one hundred twenty-five million, four hundred forty-eight thousand, three hundred ninety-nine".