1130225621 has 24 divisors (see below), whose sum is σ = 1428629760. Its totient is φ = 888148800.

The previous prime is 1130225617. The next prime is 1130225623. The reversal of 1130225621 is 1265220311.

It is not a de Polignac number, because 1130225621 - 2² = 1130225617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130225623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9281 + ... + 48441.

It is an arithmetic number, because the mean of its divisors is an integer number (59526240).

Almost surely, 2^1130225621 is an apocalyptic number.

It is an amenable number.

1130225621 is a deficient number, since it is larger than the sum of its proper divisors (298404139).

1130225621 is a wasteful number, since it uses less digits than its factorization.

1130225621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39225 (or 39218 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1130225621 is about 33618.8283704236. The cubic root of 1130225621 is about 1041.6497549411.

Adding to 1130225621 its reverse (1265220311), we get a palindrome (2395445932).

The spelling of 1130225621 in words is "one billion, one hundred thirty million, two hundred twenty-five thousand, six hundred twenty-one".