1125453344 has 24 divisors (see below), whose sum is σ = 2292142860. Its totient is φ = 543321856.

The previous prime is 1125453341. The next prime is 1125453347. The reversal of 1125453344 is 4433545211.

It is an interprime number because it is at equal distance from previous prime (1125453341) and next prime (1125453347).

It can be written as a sum of positive squares in 2 ways, for example, as 1101443344 + 24010000 = 33188^2 + 4900^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1125453344.

It is not an unprimeable number, because it can be changed into a prime (1125453341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605459 + ... + 607314.

Almost surely, 2^1125453344 is an apocalyptic number.

It is an amenable number.

1125453344 is an abundant number, since it is smaller than the sum of its proper divisors (1166689516).

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

1125453344 is a wasteful number, since it uses less digits than its factorization.

1125453344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212812 (or 1212804 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 1125453344 is about 33547.7770351479. Note that the first 3 decimals coincide. The cubic root of 1125453344 is about 1040.1815955085.

Adding to 1125453344 its reverse (4433545211), we get a palindrome (5558998555).

The spelling of 1125453344 in words is "one billion, one hundred twenty-five million, four hundred fifty-three thousand, three hundred forty-four".