125427402099 has 64 divisors (see below), whose sum is σ = 200251392000. Its totient is φ = 77412101760.

The previous prime is 125427402073. The next prime is 125427402103. The reversal of 125427402099 is 990204724521.

125427402099 is a `hidden beast` number, since 12 + 5 + 427 + 4 + 0 + 209 + 9 = 666.

It is not a de Polignac number, because 125427402099 - 2¹¹ = 125427400051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125427402049) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2622054 + ... + 2669460.

It is an arithmetic number, because the mean of its divisors is an integer number (3128928000).

Almost surely, 2^125427402099 is an apocalyptic number.

125427402099 is a deficient number, since it is larger than the sum of its proper divisors (74823989901).

125427402099 is a wasteful number, since it uses less digits than its factorization.

125427402099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47585 (or 47579 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 125427402099 in words is "one hundred twenty-five billion, four hundred twenty-seven million, four hundred two thousand, ninety-nine".