1117943144 has 16 divisors (see below), whose sum is σ = 2116898820. Its totient is φ = 553436800.

The previous prime is 1117943117. The next prime is 1117943159. The reversal of 1117943144 is 4413497111.

It can be written as a sum of positive squares in 2 ways, for example, as 856732900 + 261210244 = 29270^2 + 16162^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 690989 + ... + 692604.

Almost surely, 2^1117943144 is an apocalyptic number.

It is an amenable number.

1117943144 is a deficient number, since it is larger than the sum of its proper divisors (998955676).

1117943144 is a wasteful number, since it uses less digits than its factorization.

1117943144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1383700 (or 1383696 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 1117943144 is about 33435.6567753648. The cubic root of 1117943144 is about 1037.8627038630.

The spelling of 1117943144 in words is "one billion, one hundred seventeen million, nine hundred forty-three thousand, one hundred forty-four".