1149047994 has 32 divisors (see below), whose sum is σ = 2326173696. Its totient is φ = 378362880.

The previous prime is 1149047983. The next prime is 1149048067. The reversal of 1149047994 is 4997409411.

It is a super-2 number, since 2×1149047994² = 2640622585030848072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180514 + ... + 186770.

It is an arithmetic number, because the mean of its divisors is an integer number (72692928).

Almost surely, 2^1149047994 is an apocalyptic number.

1149047994 is an abundant number, since it is smaller than the sum of its proper divisors (1177125702).

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

1149047994 is a wasteful number, since it uses less digits than its factorization.

1149047994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6630.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 1149047994 is about 33897.6104467557. The cubic root of 1149047994 is about 1047.4003699555.

The spelling of 1149047994 in words is "one billion, one hundred forty-nine million, forty-seven thousand, nine hundred ninety-four".