1125624 has 16 divisors (see below), whose sum is σ = 2814120. Its totient is φ = 375200.

The previous prime is 1125599. The next prime is 1125629. The reversal of 1125624 is 4265211.

It is a self number, because there is not a number n which added to its sum of digits gives 1125624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125629) 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, 23427 + ... + 23474.

2^1125624 is an apocalyptic number.

It is an amenable number.

1125624 is an abundant number, since it is smaller than the sum of its proper divisors (1688496).

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

1125624 is a wasteful number, since it uses less digits than its factorization.

1125624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46910 (or 46906 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 1125624 is about 1060.9542874224. The cubic root of 1125624 is about 104.0234168178.

The spelling of 1125624 in words is "one million, one hundred twenty-five thousand, six hundred twenty-four".