1132621225 has 6 divisors (see below), whose sum is σ = 1404450350. Its totient is φ = 906096960.

The previous prime is 1132621211. The next prime is 1132621229. The reversal of 1132621225 is 5221262311.

It can be written as a sum of positive squares in 3 ways, for example, as 26925721 + 1105695504 = 5189^2 + 33252^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1132621225 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 45304849 = 1132621225 / (1 + 1 + 3 + 2 + 6 + 2 + 1 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1132621225.

It is not an unprimeable number, because it can be changed into a prime (1132621229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22652400 + ... + 22652449.

Almost surely, 2^1132621225 is an apocalyptic number.

It is an amenable number.

1132621225 is a deficient number, since it is larger than the sum of its proper divisors (271829125).

1132621225 is an equidigital number, since it uses as much as digits as its factorization.

1132621225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45304859 (or 45304854 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 1132621225 is about 33654.4384145687. The cubic root of 1132621225 is about 1042.3851890271.

Adding to 1132621225 its reverse (5221262311), we get a palindrome (6353883536).

The spelling of 1132621225 in words is "one billion, one hundred thirty-two million, six hundred twenty-one thousand, two hundred twenty-five".