1149198284 has 12 divisors (see below), whose sum is σ = 2165796864. Its totient is φ = 530399184.

The previous prime is 1149198233. The next prime is 1149198293. The reversal of 1149198284 is 4828919411.

It is a happy number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11049932 + ... + 11050035.

It is an arithmetic number, because the mean of its divisors is an integer number (180483072).

Almost surely, 2^1149198284 is an apocalyptic number.

It is an amenable number.

1149198284 is a deficient number, since it is larger than the sum of its proper divisors (1016598580).

1149198284 is a wasteful number, since it uses less digits than its factorization.

1149198284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22099984 (or 22099982 counting only the distinct ones).

The product of its digits is 165888, while the sum is 47.

The square root of 1149198284 is about 33899.8271971997. The cubic root of 1149198284 is about 1047.4460329565.

The spelling of 1149198284 in words is "one billion, one hundred forty-nine million, one hundred ninety-eight thousand, two hundred eighty-four".