1157882289 has 4 divisors (see below), whose sum is σ = 1543843056. Its totient is φ = 771921524.

The previous prime is 1157882263. The next prime is 1157882347. The reversal of 1157882289 is 9822887511.

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 not a de Polignac number, because 1157882289 - 2⁷ = 1157882161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1157882239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192980379 + ... + 192980384.

It is an arithmetic number, because the mean of its divisors is an integer number (385960764).

Almost surely, 2^1157882289 is an apocalyptic number.

It is an amenable number.

1157882289 is a deficient number, since it is larger than the sum of its proper divisors (385960767).

1157882289 is an equidigital number, since it uses as much as digits as its factorization.

1157882289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385960766.

The product of its digits is 645120, while the sum is 51.

The square root of 1157882289 is about 34027.6694617777. The cubic root of 1157882289 is about 1050.0777838068.

The spelling of 1157882289 in words is "one billion, one hundred fifty-seven million, eight hundred eighty-two thousand, two hundred eighty-nine".