1153242213 has 8 divisors (see below), whose sum is σ = 1545384000. Its totient is φ = 764964288.

The previous prime is 1153242203. The next prime is 1153242227. The reversal of 1153242213 is 3122423511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1153242213 - 2⁴ = 1153242197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153242203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965268 + ... + 966461.

It is an arithmetic number, because the mean of its divisors is an integer number (193173000).

Almost surely, 2^1153242213 is an apocalyptic number.

It is an amenable number.

1153242213 is a deficient number, since it is larger than the sum of its proper divisors (392141787).

1153242213 is a wasteful number, since it uses less digits than its factorization.

1153242213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931931.

The product of its digits is 1440, while the sum is 24.

The square root of 1153242213 is about 33959.4200922218. The cubic root of 1153242213 is about 1048.6732185143.

Adding to 1153242213 its reverse (3122423511), we get a palindrome (4275665724).

The spelling of 1153242213 in words is "one billion, one hundred fifty-three million, two hundred forty-two thousand, two hundred thirteen".