125545799 has 16 divisors (see below), whose sum is σ = 139200768. Its totient is φ = 112624512.

The previous prime is 125545769. The next prime is 125545807. The reversal of 125545799 is 997545521.

It is a cyclic number.

It is not a de Polignac number, because 125545799 - 2⁸ = 125545543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125545769) 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, 213584 + ... + 214170.

It is an arithmetic number, because the mean of its divisors is an integer number (8700048).

Almost surely, 2^125545799 is an apocalyptic number.

125545799 is a deficient number, since it is larger than the sum of its proper divisors (13654969).

125545799 is a wasteful number, since it uses less digits than its factorization.

125545799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174.

The product of its digits is 567000, while the sum is 47.

The square root of 125545799 is about 11204.7221741550. The cubic root of 125545799 is about 500.7266753742.

The spelling of 125545799 in words is "one hundred twenty-five million, five hundred forty-five thousand, seven hundred ninety-nine".