125790217 has 8 divisors (see below), whose sum is σ = 143828096. Its totient is φ = 107769312.

The previous prime is 125790209. The next prime is 125790221. The reversal of 125790217 is 712097521.

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

It is not a de Polignac number, because 125790217 - 2³ = 125790209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125790617) 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, 26908 + ... + 31234.

It is an arithmetic number, because the mean of its divisors is an integer number (17978512).

Almost surely, 2^125790217 is an apocalyptic number.

It is an amenable number.

125790217 is a deficient number, since it is larger than the sum of its proper divisors (18037879).

125790217 is an equidigital number, since it uses as much as digits as its factorization.

125790217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8487.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 125790217 is about 11215.6237900529. The cubic root of 125790217 is about 501.0514101902.

The spelling of 125790217 in words is "one hundred twenty-five million, seven hundred ninety thousand, two hundred seventeen".