125097709 has 8 divisors (see below), whose sum is σ = 136553760. Its totient is φ = 113655600.

The previous prime is 125097701. The next prime is 125097719. The reversal of 125097709 is 907790521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125097709 - 2³ = 125097701 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 (125097701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26662 + ... + 31000.

It is an arithmetic number, because the mean of its divisors is an integer number (17069220).

Almost surely, 2^125097709 is an apocalyptic number.

It is an amenable number.

125097709 is a deficient number, since it is larger than the sum of its proper divisors (11456051).

125097709 is a wasteful number, since it uses less digits than its factorization.

125097709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6971.

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 125097709 is about 11184.7087132388. The cubic root of 125097709 is about 500.1302447363.

The spelling of 125097709 in words is "one hundred twenty-five million, ninety-seven thousand, seven hundred nine".