1125623384 has 32 divisors (see below), whose sum is σ = 2273304000. Its totient is φ = 520787232.

The previous prime is 1125623357. The next prime is 1125623419. The reversal of 1125623384 is 4833265211.

It is a super-2 number, since 2×1125623384² = 2534056005215222912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79574 + ... + 92645.

It is an arithmetic number, because the mean of its divisors is an integer number (71040750).

Almost surely, 2^1125623384 is an apocalyptic number.

It is an amenable number.

1125623384 is an abundant number, since it is smaller than the sum of its proper divisors (1147680616).

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

1125623384 is a wasteful number, since it uses less digits than its factorization.

1125623384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172287 (or 172283 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 1125623384 is about 33550.3112355161. The cubic root of 1125623384 is about 1040.2339784209.

Adding to 1125623384 its reverse (4833265211), we get a palindrome (5958888595).

The spelling of 1125623384 in words is "one billion, one hundred twenty-five million, six hundred twenty-three thousand, three hundred eighty-four".