125399796 has 12 divisors (see below), whose sum is σ = 292599552. Its totient is φ = 41799928.

The previous prime is 125399783. The next prime is 125399797. The reversal of 125399796 is 697993521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125399797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5224980 + ... + 5225003.

It is an arithmetic number, because the mean of its divisors is an integer number (24383296).

Almost surely, 2^125399796 is an apocalyptic number.

It is an amenable number.

125399796 is an abundant number, since it is smaller than the sum of its proper divisors (167199756).

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

125399796 is a wasteful number, since it uses less digits than its factorization.

125399796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10449990 (or 10449988 counting only the distinct ones).

The product of its digits is 918540, while the sum is 51.

The square root of 125399796 is about 11198.2050347366. The cubic root of 125399796 is about 500.5324940322.

The spelling of 125399796 in words is "one hundred twenty-five million, three hundred ninety-nine thousand, seven hundred ninety-six".