125662220 has 72 divisors (see below), whose sum is σ = 283291008. Its totient is φ = 46771200.

The previous prime is 125662217. The next prime is 125662231. The reversal of 125662220 is 22266521.

It is a self number, because there is not a number n which added to its sum of digits gives 125662220.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 521300 + ... + 521540.

Almost surely, 2^125662220 is an apocalyptic number.

125662220 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 125662220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141645504).

125662220 is an abundant number, since it is smaller than the sum of its proper divisors (157628788).

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

125662220 is a wasteful number, since it uses less digits than its factorization.

125662220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 125662220 is about 11209.9161459843. The cubic root of 125662220 is about 500.8814053363.

The spelling of 125662220 in words is "one hundred twenty-five million, six hundred sixty-two thousand, two hundred twenty".