1125254004 has 48 divisors (see below), whose sum is σ = 3177191808. Its totient is φ = 302588928.

The previous prime is 1125254003. The next prime is 1125254033. The reversal of 1125254004 is 4004525211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125254003) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 392569 + ... + 395424.

It is an arithmetic number, because the mean of its divisors is an integer number (66191496).

Almost surely, 2^1125254004 is an apocalyptic number.

1125254004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1125254004 is an abundant number, since it is smaller than the sum of its proper divisors (2051937804).

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

1125254004 is a wasteful number, since it uses less digits than its factorization.

1125254004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788024 (or 788022 counting only the distinct ones).

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

The square root of 1125254004 is about 33544.8059168629. The cubic root of 1125254004 is about 1040.1201796523.

Adding to 1125254004 its reverse (4004525211), we get a palindrome (5129779215).

It can be divided in two parts, 11252 and 54004, that added together give a palindrome (65256).

The spelling of 1125254004 in words is "one billion, one hundred twenty-five million, two hundred fifty-four thousand, four".