1153974231 has 6 divisors (see below), whose sum is σ = 1666851680. Its totient is φ = 769316148.

The previous prime is 1153974209. The next prime is 1153974301. The reversal of 1153974231 is 1324793511.

It is not a de Polignac number, because 1153974231 - 2⁷ = 1153974103 is a prime.

It is a super-2 number, since 2×1153974231² = 2663313051624082722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153974131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64109671 + ... + 64109688.

Almost surely, 2^1153974231 is an apocalyptic number.

1153974231 is a deficient number, since it is larger than the sum of its proper divisors (512877449).

1153974231 is a wasteful number, since it uses less digits than its factorization.

1153974231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128219365 (or 128219362 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 1153974231 is about 33970.1962166838. The cubic root of 1153974231 is about 1048.8950526036.

The spelling of 1153974231 in words is "one billion, one hundred fifty-three million, nine hundred seventy-four thousand, two hundred thirty-one".