125812228 has 18 divisors (see below), whose sum is σ = 221573786. Its totient is φ = 62507328.

The previous prime is 125812217. The next prime is 125812241. The reversal of 125812228 is 822218521.

It can be written as a sum of positive squares in 3 ways, for example, as 29615364 + 96196864 = 5442^2 + 9808^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 125812228.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 396726 + ... + 397042.

Almost surely, 2^125812228 is an apocalyptic number.

It is an amenable number.

125812228 is a deficient number, since it is larger than the sum of its proper divisors (95761558).

125812228 is an equidigital number, since it uses as much as digits as its factorization.

125812228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951 (or 632 counting only the distinct ones).

The product of its digits is 5120, while the sum is 31.

The square root of 125812228 is about 11216.6050122129. The cubic root of 125812228 is about 501.0806334468.

The spelling of 125812228 in words is "one hundred twenty-five million, eight hundred twelve thousand, two hundred twenty-eight".