125412224 has 32 divisors (see below), whose sum is σ = 285538800. Its totient is φ = 53747712.

The previous prime is 125412223. The next prime is 125412227. The reversal of 125412224 is 422214521.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 125412224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125412223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69089 + ... + 70880.

Almost surely, 2^125412224 is an apocalyptic number.

125412224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

125412224 is an abundant number, since it is smaller than the sum of its proper divisors (160126576).

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

125412224 is an equidigital number, since it uses as much as digits as its factorization.

125412224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139990 (or 139978 counting only the distinct ones).

The product of its digits is 1280, while the sum is 23.

The square root of 125412224 is about 11198.7599313495. The cubic root of 125412224 is about 500.5490289138.

Adding to 125412224 its reverse (422214521), we get a palindrome (547626745).

The spelling of 125412224 in words is "one hundred twenty-five million, four hundred twelve thousand, two hundred twenty-four".