125896780 has 12 divisors (see below), whose sum is σ = 264383280. Its totient is φ = 50358704.

The previous prime is 125896769. The next prime is 125896787. The reversal of 125896780 is 87698521.

It is a self number, because there is not a number n which added to its sum of digits gives 125896780.

It is not an unprimeable number, because it can be changed into a prime (125896787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3147400 + ... + 3147439.

It is an arithmetic number, because the mean of its divisors is an integer number (22031940).

Almost surely, 2^125896780 is an apocalyptic number.

125896780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125896780 is an abundant number, since it is smaller than the sum of its proper divisors (138486500).

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

125896780 is a wasteful number, since it uses less digits than its factorization.

125896780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6294848 (or 6294846 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 125896780 is about 11220.3734340707. The cubic root of 125896780 is about 501.1928585804.

The spelling of 125896780 in words is "one hundred twenty-five million, eight hundred ninety-six thousand, seven hundred eighty".