1159944742 has 16 divisors (see below), whose sum is σ = 1924095312. Its totient is φ = 520024320.

The previous prime is 1159944683. The next prime is 1159944749. The reversal of 1159944742 is 2474499511.

It is a junction number, because it is equal to n+sod(n) for n = 1159944692 and 1159944701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159944749) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 359523 + ... + 362734.

It is an arithmetic number, because the mean of its divisors is an integer number (120255957).

Almost surely, 2^1159944742 is an apocalyptic number.

1159944742 is a deficient number, since it is larger than the sum of its proper divisors (764150570).

1159944742 is a wasteful number, since it uses less digits than its factorization.

1159944742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722343.

The product of its digits is 362880, while the sum is 46.

The square root of 1159944742 is about 34057.9615068195. The cubic root of 1159944742 is about 1050.7008901671.

The spelling of 1159944742 in words is "one billion, one hundred fifty-nine million, nine hundred forty-four thousand, seven hundred forty-two".