1179340899 has 24 divisors (see below), whose sum is σ = 1730319360. Its totient is φ = 713958960.

The previous prime is 1179340891. The next prime is 1179340909. The reversal of 1179340899 is 9980439711.

It is a happy number.

It is not a de Polignac number, because 1179340899 - 2³ = 1179340891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1179340891) 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 23 ways as a sum of consecutive naturals, for example, 637594 + ... + 639440.

It is an arithmetic number, because the mean of its divisors is an integer number (72096640).

Almost surely, 2^1179340899 is an apocalyptic number.

1179340899 is a deficient number, since it is larger than the sum of its proper divisors (550978461).

1179340899 is a wasteful number, since it uses less digits than its factorization.

1179340899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631 (or 3620 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 51.

The square root of 1179340899 is about 34341.5331486525. The cubic root of 1179340899 is about 1056.5250210453.

The spelling of 1179340899 in words is "one billion, one hundred seventy-nine million, three hundred forty thousand, eight hundred ninety-nine".