125679220 has 12 divisors (see below), whose sum is σ = 263926404. Its totient is φ = 50271680.

The previous prime is 125679187. The next prime is 125679223. The reversal of 125679220 is 22976521.

It can be written as a sum of positive squares in 2 ways, for example, as 16434916 + 109244304 = 4054^2 + 10452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125679223) 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, 3141961 + ... + 3142000.

It is an arithmetic number, because the mean of its divisors is an integer number (21993867).

Almost surely, 2^125679220 is an apocalyptic number.

125679220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125679220 is an abundant number, since it is smaller than the sum of its proper divisors (138247184).

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

125679220 is a wasteful number, since it uses less digits than its factorization.

125679220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6283970 (or 6283968 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 125679220 is about 11210.6743775743. The cubic root of 125679220 is about 500.9039912812.

Subtracting from 125679220 its product of nonzero digits (15120), we obtain a square (125664100 = 11210²).

The spelling of 125679220 in words is "one hundred twenty-five million, six hundred seventy-nine thousand, two hundred twenty".