125516679 has 8 divisors (see below), whose sum is σ = 176163840. Its totient is φ = 79273656.

The previous prime is 125516653. The next prime is 125516689. The reversal of 125516679 is 976615521.

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

It is not a de Polignac number, because 125516679 - 2⁵ = 125516647 is a prime.

It is a super-3 number, since 3×125516679³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125516679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125516689) 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, 1100967 + ... + 1101080.

It is an arithmetic number, because the mean of its divisors is an integer number (22020480).

Almost surely, 2^125516679 is an apocalyptic number.

125516679 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

125516679 is a deficient number, since it is larger than the sum of its proper divisors (50647161).

125516679 is a wasteful number, since it uses less digits than its factorization.

125516679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202069.

The product of its digits is 113400, while the sum is 42.

The square root of 125516679 is about 11203.4226466736. The cubic root of 125516679 is about 500.6879583259.

The spelling of 125516679 in words is "one hundred twenty-five million, five hundred sixteen thousand, six hundred seventy-nine".