125001199 has 2 divisors, whose sum is σ = 125001200. Its totient is φ = 125001198.

The previous prime is 125001197. The next prime is 125001211. The reversal of 125001199 is 991100521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125001199 - 2¹ = 125001197 is a prime.

Together with 125001197, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125001193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62500599 + 62500600.

It is an arithmetic number, because the mean of its divisors is an integer number (62500600).

Almost surely, 2^125001199 is an apocalyptic number.

125001199 is a deficient number, since it is larger than the sum of its proper divisors (1).

125001199 is an equidigital number, since it uses as much as digits as its factorization.

125001199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 28.

The square root of 125001199 is about 11180.3935082805. The cubic root of 125001199 is about 500.0015986616.

The spelling of 125001199 in words is "one hundred twenty-five million, one thousand, one hundred ninety-nine".