1125648192 has 112 divisors (see below), whose sum is σ = 3088640000. Its totient is φ = 361428480.

The previous prime is 1125648191. The next prime is 1125648211. The reversal of 1125648192 is 2918465211.

It is a self number, because there is not a number n which added to its sum of digits gives 1125648192.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125648191) 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, 2255559 + ... + 2256057.

Almost surely, 2^1125648192 is an apocalyptic number.

1125648192 is a gapful number since it is divisible by the number (12) 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 1125648192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1544320000).

1125648192 is an abundant number, since it is smaller than the sum of its proper divisors (1962991808).

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

1125648192 is a wasteful number, since it uses less digits than its factorization.

1125648192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924 (or 914 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

The square root of 1125648192 is about 33550.6809468899. The cubic root of 1125648192 is about 1040.2416203892.

The spelling of 1125648192 in words is "one billion, one hundred twenty-five million, six hundred forty-eight thousand, one hundred ninety-two".