1125357184 has 64 divisors (see below), whose sum is σ = 2568931200. Its totient is φ = 481029120.

The previous prime is 1125357173. The next prime is 1125357187. The reversal of 1125357184 is 4817535211.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (1125357187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391914 + ... + 394774.

It is an arithmetic number, because the mean of its divisors is an integer number (40139550).

Almost surely, 2^1125357184 is an apocalyptic number.

1125357184 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 1125357184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1284465600).

1125357184 is an abundant number, since it is smaller than the sum of its proper divisors (1443574016).

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

1125357184 is an equidigital number, since it uses as much as digits as its factorization.

1125357184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321 (or 3309 counting only the distinct ones).

The product of its digits is 33600, while the sum is 37.

The square root of 1125357184 is about 33546.3438246257. The cubic root of 1125357184 is about 1040.1519699028.

The spelling of 1125357184 in words is "one billion, one hundred twenty-five million, three hundred fifty-seven thousand, one hundred eighty-four".