1115944 has 8 divisors (see below), whose sum is σ = 2092410. Its totient is φ = 557968.

The previous prime is 1115941. The next prime is 1115987. The reversal of 1115944 is 4495111.

It can be written as a sum of positive squares in only one way, i.e., 902500 + 213444 = 950^2 + 462^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1115944² = 2490662022272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1115941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69739 + ... + 69754.

2^1115944 is an apocalyptic number.

It is an amenable number.

1115944 is a deficient number, since it is larger than the sum of its proper divisors (976466).

1115944 is a wasteful number, since it uses less digits than its factorization.

1115944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139499 (or 139495 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

The square root of 1115944 is about 1056.3825064814. The cubic root of 1115944 is about 103.7243687591.

The spelling of 1115944 in words is "one million, one hundred fifteen thousand, nine hundred forty-four".