125000199 has 16 divisors (see below), whose sum is σ = 187532800. Its totient is φ = 82277208.

The previous prime is 125000159. The next prime is 125000203. The reversal of 125000199 is 991000521.

It is a happy number.

It is not a de Polignac number, because 125000199 - 2⁸ = 124999943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125000149) 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, 27169 + ... + 31434.

It is an arithmetic number, because the mean of its divisors is an integer number (11720800).

Almost surely, 2^125000199 is an apocalyptic number.

125000199 is a deficient number, since it is larger than the sum of its proper divisors (62532601).

125000199 is an equidigital number, since it uses as much as digits as its factorization.

125000199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58691 (or 58685 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 125000199 is about 11180.3487870460. The cubic root of 125000199 is about 500.0002653332. Note that the first 3 decimals are identical.

It can be divided in two parts, 12 and 5000199, that added together give a cube (5000211 = 171³).

The spelling of 125000199 in words is "one hundred twenty-five million, one hundred ninety-nine", and thus it is an aban number.