125614779 has 8 divisors (see below), whose sum is σ = 168364032. Its totient is φ = 83304360.

The previous prime is 125614679. The next prime is 125614787. The reversal of 125614779 is 977416521.

It is a happy number.

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

It is not a de Polignac number, because 125614779 - 2¹⁶ = 125549243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125614779.

It is not an unprimeable number, because it can be changed into a prime (125614789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109039 + ... + 110184.

It is an arithmetic number, because the mean of its divisors is an integer number (21045504).

Almost surely, 2^125614779 is an apocalyptic number.

125614779 is a deficient number, since it is larger than the sum of its proper divisors (42749253).

125614779 is a wasteful number, since it uses less digits than its factorization.

125614779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219417.

The product of its digits is 105840, while the sum is 42.

The square root of 125614779 is about 11207.7999179143. The cubic root of 125614779 is about 500.8183651595.

The spelling of 125614779 in words is "one hundred twenty-five million, six hundred fourteen thousand, seven hundred seventy-nine".