1149234459 has 36 divisors (see below), whose sum is σ = 1674278712. Its totient is φ = 698758400.

The previous prime is 1149234431. The next prime is 1149234461. The reversal of 1149234459 is 9544329411.

It is not a de Polignac number, because 1149234459 - 2⁹ = 1149233947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1149234459.

It is not an unprimeable number, because it can be changed into a prime (1149234479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11378509 + ... + 11378609.

It is an arithmetic number, because the mean of its divisors is an integer number (46507742).

Almost surely, 2^1149234459 is an apocalyptic number.

1149234459 is a deficient number, since it is larger than the sum of its proper divisors (525044253).

1149234459 is an equidigital number, since it uses as much as digits as its factorization.

1149234459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 168 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 1149234459 is about 33900.3607502929. The cubic root of 1149234459 is about 1047.4570235063.

The spelling of 1149234459 in words is "one billion, one hundred forty-nine million, two hundred thirty-four thousand, four hundred fifty-nine".