1125083904 has 144 divisors (see below), whose sum is σ = 3492787200. Its totient is φ = 321377280.

The previous prime is 1125083887. The next prime is 1125083909. The reversal of 1125083904 is 4093805211.

It is not an unprimeable number, because it can be changed into a prime (1125083909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261289 + ... + 265559.

Almost surely, 2^1125083904 is an apocalyptic number.

1125083904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125083904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1746393600).

1125083904 is an abundant number, since it is smaller than the sum of its proper divisors (2367703296).

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

1125083904 is an frugal number, since it uses more digits than its factorization.

1125083904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4311 (or 4283 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1125083904 is about 33542.2704061606. The cubic root of 1125083904 is about 1040.0677667874.

The spelling of 1125083904 in words is "one billion, one hundred twenty-five million, eighty-three thousand, nine hundred four".