125604997 has 8 divisors (see below), whose sum is σ = 143697600. Its totient is φ = 107549664.

The previous prime is 125604989. The next prime is 125605013. The reversal of 125604997 is 799406521.

It is a happy number.

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 125604997 - 2³ = 125604989 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 (125604907) 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, 1672 + ... + 15937.

It is an arithmetic number, because the mean of its divisors is an integer number (17962200).

Almost surely, 2^125604997 is an apocalyptic number.

It is an amenable number.

125604997 is a deficient number, since it is larger than the sum of its proper divisors (18092603).

125604997 is a wasteful number, since it uses less digits than its factorization.

125604997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18635.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 125604997 is about 11207.3635169026. The cubic root of 125604997 is about 500.8053647454.

The spelling of 125604997 in words is "one hundred twenty-five million, six hundred four thousand, nine hundred ninety-seven".