1153231025 has 24 divisors (see below), whose sum is σ = 1445157504. Its totient is φ = 912867200.

The previous prime is 1153231003. The next prime is 1153231033. The reversal of 1153231025 is 5201323511.

It is a happy number.

It is not a de Polignac number, because 1153231025 - 2⁶ = 1153230961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1172684 + ... + 1173666.

It is an arithmetic number, because the mean of its divisors is an integer number (60214896).

Almost surely, 2^1153231025 is an apocalyptic number.

It is an amenable number.

1153231025 is a deficient number, since it is larger than the sum of its proper divisors (291926479).

1153231025 is a wasteful number, since it uses less digits than its factorization.

1153231025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441 (or 1436 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1153231025 is about 33959.2553658057. The cubic root of 1153231025 is about 1048.6698273232.

Adding to 1153231025 its reverse (5201323511), we get a palindrome (6354554536).

The spelling of 1153231025 in words is "one billion, one hundred fifty-three million, two hundred thirty-one thousand, twenty-five".