1159242493 has 4 divisors (see below), whose sum is σ = 1164093120. Its totient is φ = 1154391868.

The previous prime is 1159242473. The next prime is 1159242521. The reversal of 1159242493 is 3942429511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1159242493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159242473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2424955 + ... + 2425432.

It is an arithmetic number, because the mean of its divisors is an integer number (291023280).

Almost surely, 2^1159242493 is an apocalyptic number.

It is an amenable number.

1159242493 is a deficient number, since it is larger than the sum of its proper divisors (4850627).

1159242493 is an equidigital number, since it uses as much as digits as its factorization.

1159242493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850626.

The product of its digits is 77760, while the sum is 40.

The square root of 1159242493 is about 34047.6503300889. The cubic root of 1159242493 is about 1050.4888103511.

The spelling of 1159242493 in words is "one billion, one hundred fifty-nine million, two hundred forty-two thousand, four hundred ninety-three".