1125448452 has 48 divisors (see below), whose sum is σ = 2946186880. Its totient is φ = 371503584.

The previous prime is 1125448447. The next prime is 1125448487. The reversal of 1125448452 is 2548445211.

1125448452 is a `hidden beast` number, since 1 + 125 + 4 + 484 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39463 + ... + 61710.

Almost surely, 2^1125448452 is an apocalyptic number.

1125448452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1125448452 is an abundant number, since it is smaller than the sum of its proper divisors (1820738428).

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

1125448452 is a wasteful number, since it uses less digits than its factorization.

1125448452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101289 (or 101281 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 1125448452 is about 33547.7041241275. The cubic root of 1125448452 is about 1040.1800883897.

The spelling of 1125448452 in words is "one billion, one hundred twenty-five million, four hundred forty-eight thousand, four hundred fifty-two".