125717567 has 8 divisors (see below), whose sum is σ = 133210656. Its totient is φ = 118235392.

The previous prime is 125717551. The next prime is 125717569. The reversal of 125717567 is 765717521.

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 125717567 - 2⁴ = 125717551 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 (125717569) 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, 43883 + ... + 46659.

It is an arithmetic number, because the mean of its divisors is an integer number (16651332).

Almost surely, 2^125717567 is an apocalyptic number.

125717567 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

125717567 is a deficient number, since it is larger than the sum of its proper divisors (7493089).

125717567 is a wasteful number, since it uses less digits than its factorization.

125717567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5457.

The product of its digits is 102900, while the sum is 41.

The square root of 125717567 is about 11212.3845367522. The cubic root of 125717567 is about 500.9549310523.

The spelling of 125717567 in words is "one hundred twenty-five million, seven hundred seventeen thousand, five hundred sixty-seven".