1125440424 has 24 divisors (see below), whose sum is σ = 3048068010. Its totient is φ = 375146784.

The previous prime is 1125440387. The next prime is 1125440441. The reversal of 1125440424 is 4240445211.

1125440424 is a `hidden beast` number, since 1 + 1 + 254 + 404 + 2 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 873202500 + 252237924 = 29550^2 + 15882^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1125440424² = 2533232295946599552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7815487 + ... + 7815630.

Almost surely, 2^1125440424 is an apocalyptic number.

It is an amenable number.

1125440424 is an abundant number, since it is smaller than the sum of its proper divisors (1922627586).

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

1125440424 is a wasteful number, since it uses less digits than its factorization.

1125440424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15631129 (or 15631122 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 1125440424 is about 33547.5844734014. The cubic root of 1125440424 is about 1040.1776151280.

Adding to 1125440424 its reverse (4240445211), we get a palindrome (5365885635).

The spelling of 1125440424 in words is "one billion, one hundred twenty-five million, four hundred forty thousand, four hundred twenty-four".