1125533004 has 12 divisors (see below), whose sum is σ = 2626243704. Its totient is φ = 375177664.

The previous prime is 1125532981. The next prime is 1125533051. The reversal of 1125533004 is 4003355211.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46897197 + ... + 46897220.

It is an arithmetic number, because the mean of its divisors is an integer number (218853642).

Almost surely, 2^1125533004 is an apocalyptic number.

It is an amenable number.

1125533004 is an abundant number, since it is smaller than the sum of its proper divisors (1500710700).

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

1125533004 is a wasteful number, since it uses less digits than its factorization.

1125533004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93794424 (or 93794422 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1125533004 is about 33548.9642761144. The cubic root of 1125533004 is about 1040.2061364076.

Adding to 1125533004 its reverse (4003355211), we get a palindrome (5128888215).

The spelling of 1125533004 in words is "one billion, one hundred twenty-five million, five hundred thirty-three thousand, four".