125727199 has 16 divisors (see below), whose sum is σ = 142944480. Its totient is φ = 109624320.

The previous prime is 125727191. The next prime is 125727211. The reversal of 125727199 is 991727521.

It is not a de Polignac number, because 125727199 - 2³ = 125727191 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 (125727191) 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, 128199 + ... + 129175.

It is an arithmetic number, because the mean of its divisors is an integer number (8934030).

Almost surely, 2^125727199 is an apocalyptic number.

125727199 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

125727199 is a deficient number, since it is larger than the sum of its proper divisors (17217281).

125727199 is a wasteful number, since it uses less digits than its factorization.

125727199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530.

The product of its digits is 79380, while the sum is 43.

The square root of 125727199 is about 11212.8140535728. The cubic root of 125727199 is about 500.9677244770.

The spelling of 125727199 in words is "one hundred twenty-five million, seven hundred twenty-seven thousand, one hundred ninety-nine".