125372099 has 2 divisors, whose sum is σ = 125372100. Its totient is φ = 125372098.

The previous prime is 125371999. The next prime is 125372123. The reversal of 125372099 is 990273521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125372099 - 2¹² = 125368003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125375099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62686049 + 62686050.

It is an arithmetic number, because the mean of its divisors is an integer number (62686050).

Almost surely, 2^125372099 is an apocalyptic number.

125372099 is a deficient number, since it is larger than the sum of its proper divisors (1).

125372099 is an equidigital number, since it uses as much as digits as its factorization.

125372099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 125372099 is about 11196.9682950342. The cubic root of 125372099 is about 500.4956405186.

The spelling of 125372099 in words is "one hundred twenty-five million, three hundred seventy-two thousand, ninety-nine".