1125125624 has 32 divisors (see below), whose sum is σ = 2413135200. Its totient is φ = 481766400.

The previous prime is 1125125597. The next prime is 1125125627. The reversal of 1125125624 is 4265215211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125125627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58892 + ... + 75620.

It is an arithmetic number, because the mean of its divisors is an integer number (75410475).

Almost surely, 2^1125125624 is an apocalyptic number.

1125125624 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1125125624 is an abundant number, since it is smaller than the sum of its proper divisors (1288009576).

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

1125125624 is a wasteful number, since it uses less digits than its factorization.

1125125624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17943 (or 17939 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 1125125624 is about 33542.8923022449. The cubic root of 1125125624 is about 1040.0806224481.

The spelling of 1125125624 in words is "one billion, one hundred twenty-five million, one hundred twenty-five thousand, six hundred twenty-four".