1125412444 has 48 divisors (see below), whose sum is σ = 2300580576. Its totient is φ = 476928000.

The previous prime is 1125412423. The next prime is 1125412451. The reversal of 1125412444 is 4442145211.

It is a happy number.

It is a super-2 number, since 2×1125412444² = 2533106338220106272, which contains 22 as substring.

It is a congruent number.

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, 20719 + ... + 51769.

It is an arithmetic number, because the mean of its divisors is an integer number (47928762).

Almost surely, 2^1125412444 is an apocalyptic number.

It is an amenable number.

1125412444 is an abundant number, since it is smaller than the sum of its proper divisors (1175168132).

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

1125412444 is a wasteful number, since it uses less digits than its factorization.

1125412444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31126 (or 31124 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 1125412444 is about 33547.1674512171. The cubic root of 1125412444 is about 1040.1689949735.

Adding to 1125412444 its reverse (4442145211), we get a palindrome (5567557655).

The spelling of 1125412444 in words is "one billion, one hundred twenty-five million, four hundred twelve thousand, four hundred forty-four".