125779855 has 8 divisors (see below), whose sum is σ = 159814512. Its totient is φ = 94704768.

The previous prime is 125779831. The next prime is 125779877. The reversal of 125779855 is 558977521.

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 125779855 - 2⁷ = 125779727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125779799 and 125779808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739797 + ... + 739966.

It is an arithmetic number, because the mean of its divisors is an integer number (19976814).

Almost surely, 2^125779855 is an apocalyptic number.

125779855 is a deficient number, since it is larger than the sum of its proper divisors (34034657).

125779855 is a wasteful number, since it uses less digits than its factorization.

125779855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479785.

The product of its digits is 882000, while the sum is 49.

The square root of 125779855 is about 11215.1618356580. The cubic root of 125779855 is about 501.0376517347.

The spelling of 125779855 in words is "one hundred twenty-five million, seven hundred seventy-nine thousand, eight hundred fifty-five".