125779338 has 64 divisors (see below), whose sum is σ = 290672640. Its totient is φ = 40273200.

The previous prime is 125779337. The next prime is 125779399. The reversal of 125779338 is 833977521.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 125779293 and 125779302.

It is not an unprimeable number, because it can be changed into a prime (125779337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 379833 + ... + 380163.

It is an arithmetic number, because the mean of its divisors is an integer number (4541760).

Almost surely, 2^125779338 is an apocalyptic number.

125779338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125779338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145336320).

125779338 is an abundant number, since it is smaller than the sum of its proper divisors (164893302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125779338 is a wasteful number, since it uses less digits than its factorization.

125779338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 594 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 125779338 is about 11215.1387864796. The cubic root of 125779338 is about 501.0369652527.

The spelling of 125779338 in words is "one hundred twenty-five million, seven hundred seventy-nine thousand, three hundred thirty-eight".