125865804 has 48 divisors (see below), whose sum is σ = 311028480. Its totient is φ = 39504960.

The previous prime is 125865799. The next prime is 125865811. The reversal of 125865804 is 408568521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37849 + ... + 41039.

It is an arithmetic number, because the mean of its divisors is an integer number (6479760).

Almost surely, 2^125865804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125865804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155514240).

125865804 is an abundant number, since it is smaller than the sum of its proper divisors (185162676).

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

125865804 is a wasteful number, since it uses less digits than its factorization.

125865804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390 (or 3388 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 125865804 is about 11218.9930029393. The cubic root of 125865804 is about 501.1517502390.

The spelling of 125865804 in words is "one hundred twenty-five million, eight hundred sixty-five thousand, eight hundred four".