1125031044 has 48 divisors (see below), whose sum is σ = 2714034176. Its totient is φ = 362340000.

The previous prime is 1125031031. The next prime is 1125031073. The reversal of 1125031044 is 4401305211.

It is a self number, because there is not a number n which added to its sum of digits gives 1125031044.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277359 + ... + 281385.

Almost surely, 2^1125031044 is an apocalyptic number.

It is an amenable number.

1125031044 is an abundant number, since it is smaller than the sum of its proper divisors (1589003132).

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

1125031044 is a wasteful number, since it uses less digits than its factorization.

1125031044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816 (or 4814 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1125031044 is about 33541.4824359330. The cubic root of 1125031044 is about 1040.0514779746.

Adding to 1125031044 its reverse (4401305211), we get a palindrome (5526336255).

The spelling of 1125031044 in words is "one billion, one hundred twenty-five million, thirty-one thousand, forty-four".