1153441225 has 12 divisors (see below), whose sum is σ = 1430908416. Its totient is φ = 922339280.

The previous prime is 1153441193. The next prime is 1153441229. The reversal of 1153441225 is 5221443511.

It is not a de Polignac number, because 1153441225 - 2⁵ = 1153441193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1153441193 and 1153441202.

It is not an unprimeable number, because it can be changed into a prime (1153441229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54504 + ... + 72646.

It is an arithmetic number, because the mean of its divisors is an integer number (119242368).

Almost surely, 2^1153441225 is an apocalyptic number.

It is an amenable number.

1153441225 is a deficient number, since it is larger than the sum of its proper divisors (277467191).

1153441225 is a wasteful number, since it uses less digits than its factorization.

1153441225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20696 (or 20691 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 1153441225 is about 33962.3501100851. The cubic root of 1153441225 is about 1048.7335373118.

Adding to 1153441225 its reverse (5221443511), we get a palindrome (6374884736).

The spelling of 1153441225 in words is "one billion, one hundred fifty-three million, four hundred forty-one thousand, two hundred twenty-five".