1153243107 has 24 divisors (see below), whose sum is σ = 1682444400. Its totient is φ = 761177088.

The previous prime is 1153243103. The next prime is 1153243139. The reversal of 1153243107 is 7013423511.

It is not a de Polignac number, because 1153243107 - 2² = 1153243103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1153243103) 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 23 ways as a sum of consecutive naturals, for example, 540619 + ... + 542747.

It is an arithmetic number, because the mean of its divisors is an integer number (70101850).

Almost surely, 2^1153243107 is an apocalyptic number.

1153243107 is a deficient number, since it is larger than the sum of its proper divisors (529201293).

1153243107 is a wasteful number, since it uses less digits than its factorization.

1153243107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707 (or 2704 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1153243107 is about 33959.4332549882. The cubic root of 1153243107 is about 1048.6734894934.

Adding to 1153243107 its reverse (7013423511), we get a palindrome (8166666618).

The spelling of 1153243107 in words is "one billion, one hundred fifty-three million, two hundred forty-three thousand, one hundred seven".