1125224204 has 12 divisors (see below), whose sum is σ = 2120614944. Its totient is φ = 519334224.

The previous prime is 1125224201. The next prime is 1125224231. The reversal of 1125224204 is 4024225211.

It is a super-2 number, since 2×1125224204² = 2532259018534867232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1125224204.

It is not an unprimeable number, because it can be changed into a prime (1125224201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10819412 + ... + 10819515.

It is an arithmetic number, because the mean of its divisors is an integer number (176717912).

Almost surely, 2^1125224204 is an apocalyptic number.

It is an amenable number.

1125224204 is a deficient number, since it is larger than the sum of its proper divisors (995390740).

1125224204 is a wasteful number, since it uses less digits than its factorization.

1125224204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21638944 (or 21638942 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1125224204 is about 33544.3617318917. The cubic root of 1125224204 is about 1040.1109977683.

Adding to 1125224204 its reverse (4024225211), we get a palindrome (5149449415).

The spelling of 1125224204 in words is "one billion, one hundred twenty-five million, two hundred twenty-four thousand, two hundred four".