1149479424 has 120 divisors (see below), whose sum is σ = 3440717280. Its totient is φ = 383118336.

The previous prime is 1149479417. The next prime is 1149479431. The reversal of 1149479424 is 4249749411.

It is an interprime number because it is at equal distance from previous prime (1149479417) and next prime (1149479431).

It is a self number, because there is not a number n which added to its sum of digits gives 1149479424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119797 + ... + 129035.

It is an arithmetic number, because the mean of its divisors is an integer number (28672644).

Almost surely, 2^1149479424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1149479424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1720358640).

1149479424 is an abundant number, since it is smaller than the sum of its proper divisors (2291237856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1149479424 is an frugal number, since it uses more digits than its factorization.

1149479424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9272 (or 9244 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 1149479424 is about 33903.9735724295. The cubic root of 1149479424 is about 1047.5314417647.

The spelling of 1149479424 in words is "one billion, one hundred forty-nine million, four hundred seventy-nine thousand, four hundred twenty-four".