125628817 has 8 divisors (see below), whose sum is σ = 132622560. Its totient is φ = 118673280.

The previous prime is 125628803. The next prime is 125628847. The reversal of 125628817 is 718826521.

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 125628817 - 2¹⁵ = 125596049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125628817.

It is not an unprimeable number, because it can be changed into a prime (125628847) 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, 2659 + ... + 16072.

It is an arithmetic number, because the mean of its divisors is an integer number (16577820).

Almost surely, 2^125628817 is an apocalyptic number.

It is an amenable number.

125628817 is a deficient number, since it is larger than the sum of its proper divisors (6993743).

125628817 is a wasteful number, since it uses less digits than its factorization.

125628817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19103.

The product of its digits is 53760, while the sum is 40.

The square root of 125628817 is about 11208.4261607061. The cubic root of 125628817 is about 500.8370206775.

The spelling of 125628817 in words is "one hundred twenty-five million, six hundred twenty-eight thousand, eight hundred seventeen".