1115842738 has 8 divisors (see below), whose sum is σ = 1673935488. Its totient is φ = 557864244.

The previous prime is 1115842729. The next prime is 1115842747. The reversal of 1115842738 is 8372485111.

It is an interprime number because it is at equal distance from previous prime (1115842729) and next prime (1115842747).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1115842738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2695 + ... + 47317.

It is an arithmetic number, because the mean of its divisors is an integer number (209241936).

Almost surely, 2^1115842738 is an apocalyptic number.

1115842738 is a deficient number, since it is larger than the sum of its proper divisors (558092750).

1115842738 is a wasteful number, since it uses less digits than its factorization.

1115842738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57128.

The product of its digits is 53760, while the sum is 40.

The square root of 1115842738 is about 33404.2323366366. The cubic root of 1115842738 is about 1037.2123130933.

The spelling of 1115842738 in words is "one billion, one hundred fifteen million, eight hundred forty-two thousand, seven hundred thirty-eight".