125505224 has 16 divisors (see below), whose sum is σ = 253424220. Its totient is φ = 57925440.

The previous prime is 125505199. The next prime is 125505277. The reversal of 125505224 is 422505521.

It can be written as a sum of positive squares in 2 ways, for example, as 95452900 + 30052324 = 9770^2 + 5482^2 .

It is a super-2 number, since 2×125505224² = 31503122502580352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 125505193 and 125505202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603287 + ... + 603494.

Almost surely, 2^125505224 is an apocalyptic number.

It is an amenable number.

125505224 is an abundant number, since it is smaller than the sum of its proper divisors (127918996).

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

125505224 is a wasteful number, since it uses less digits than its factorization.

125505224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206800 (or 1206796 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 125505224 is about 11202.9114073084. The cubic root of 125505224 is about 500.6727264723.

The spelling of 125505224 in words is "one hundred twenty-five million, five hundred five thousand, two hundred twenty-four".