125287417 has 4 divisors (see below), whose sum is σ = 130734720. Its totient is φ = 119840116.

The previous prime is 125287397. The next prime is 125287441. The reversal of 125287417 is 714782521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125287417 - 2²³ = 116898809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125287447) 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, 2723617 + ... + 2723662.

It is an arithmetic number, because the mean of its divisors is an integer number (32683680).

Almost surely, 2^125287417 is an apocalyptic number.

It is an amenable number.

125287417 is a deficient number, since it is larger than the sum of its proper divisors (5447303).

125287417 is an equidigital number, since it uses as much as digits as its factorization.

125287417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5447302.

The product of its digits is 31360, while the sum is 37.

The square root of 125287417 is about 11193.1861862474. The cubic root of 125287417 is about 500.3829293221.

The spelling of 125287417 in words is "one hundred twenty-five million, two hundred eighty-seven thousand, four hundred seventeen".