1125452004 has 24 divisors (see below), whose sum is σ = 2764268640. Its totient is φ = 355405824.

The previous prime is 1125451991. The next prime is 1125452063. The reversal of 1125452004 is 4002545211.

It is an unprimeable number.

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, 2467869 + ... + 2468324.

It is an arithmetic number, because the mean of its divisors is an integer number (115177860).

Almost surely, 2^1125452004 is an apocalyptic number.

It is an amenable number.

1125452004 is an abundant number, since it is smaller than the sum of its proper divisors (1638816636).

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

1125452004 is a wasteful number, since it uses less digits than its factorization.

1125452004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4936219 (or 4936217 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1125452004 is about 33547.7570636250. The cubic root of 1125452004 is about 1040.1811826841.

Adding to 1125452004 its reverse (4002545211), we get a palindrome (5127997215).

The spelling of 1125452004 in words is "one billion, one hundred twenty-five million, four hundred fifty-two thousand, four".