125243880 has 64 divisors (see below), whose sum is σ = 379416960. Its totient is φ = 33070848.

The previous prime is 125243873. The next prime is 125243897. The reversal of 125243880 is 88342521.

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, 7294 + ... + 17426.

It is an arithmetic number, because the mean of its divisors is an integer number (5928390).

Almost surely, 2^125243880 is an apocalyptic number.

125243880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125243880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189708480).

125243880 is an abundant number, since it is smaller than the sum of its proper divisors (254173080).

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

125243880 is a wasteful number, since it uses less digits than its factorization.

125243880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10250 (or 10246 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 125243880 is about 11191.2412180240. The cubic root of 125243880 is about 500.3249620869.

The spelling of 125243880 in words is "one hundred twenty-five million, two hundred forty-three thousand, eight hundred eighty".