125328779 has 8 divisors (see below), whose sum is σ = 127763568. Its totient is φ = 122917600.

The previous prime is 125328757. The next prime is 125328781. The reversal of 125328779 is 977823521.

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 125328779 - 2²⁰ = 124280203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125328719) 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, 5009 + ... + 16605.

It is an arithmetic number, because the mean of its divisors is an integer number (15970446).

Almost surely, 2^125328779 is an apocalyptic number.

125328779 is a deficient number, since it is larger than the sum of its proper divisors (2434789).

125328779 is a wasteful number, since it uses less digits than its factorization.

125328779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11805.

The product of its digits is 211680, while the sum is 44.

The square root of 125328779 is about 11195.0336756975. The cubic root of 125328779 is about 500.4379882206.

The spelling of 125328779 in words is "one hundred twenty-five million, three hundred twenty-eight thousand, seven hundred seventy-nine".