125580318 has 16 divisors (see below), whose sum is σ = 259262976. Its totient is φ = 40509720.

The previous prime is 125580313. The next prime is 125580319. The reversal of 125580318 is 813085521.

It is a happy number.

It is a super-2 number, since 2×125580318² = 31540832537962248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125580313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337396 + ... + 337767.

It is an arithmetic number, because the mean of its divisors is an integer number (16203936).

Almost surely, 2^125580318 is an apocalyptic number.

125580318 is an abundant number, since it is smaller than the sum of its proper divisors (133682658).

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

125580318 is a wasteful number, since it uses less digits than its factorization.

125580318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675199.

The product of its (nonzero) digits is 9600, while the sum is 33.

The square root of 125580318 is about 11206.2624456150. The cubic root of 125580318 is about 500.7725630113.

The spelling of 125580318 in words is "one hundred twenty-five million, five hundred eighty thousand, three hundred eighteen".