125097099 has 4 divisors (see below), whose sum is σ = 166796136. Its totient is φ = 83398064.

The previous prime is 125097079. The next prime is 125097103. The reversal of 125097099 is 990790521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125097099 - 2⁷ = 125096971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125097099.

It is not an unprimeable number, because it can be changed into a prime (125097079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20849514 + ... + 20849519.

It is an arithmetic number, because the mean of its divisors is an integer number (41699034).

Almost surely, 2^125097099 is an apocalyptic number.

125097099 is a deficient number, since it is larger than the sum of its proper divisors (41699037).

125097099 is an equidigital number, since it uses as much as digits as its factorization.

125097099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41699036.

The product of its (nonzero) digits is 51030, while the sum is 42.

The square root of 125097099 is about 11184.6814438320. The cubic root of 125097099 is about 500.1294318252.

The spelling of 125097099 in words is "one hundred twenty-five million, ninety-seven thousand, ninety-nine".