1116729 has 12 divisors (see below), whose sum is σ = 1624896. Its totient is φ = 739032.

The previous prime is 1116701. The next prime is 1116743. The reversal of 1116729 is 9276111.

It is not a de Polignac number, because 1116729 - 2⁷ = 1116601 is a prime.

It is a Curzon number.

1116729 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1116749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1132 + ... + 1874.

It is an arithmetic number, because the mean of its divisors is an integer number (135408).

2^1116729 is an apocalyptic number.

It is an amenable number.

1116729 is a deficient number, since it is larger than the sum of its proper divisors (508167).

1116729 is a wasteful number, since it uses less digits than its factorization.

1116729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 913 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 1116729 is about 1056.7539921855. The cubic root of 1116729 is about 103.7486843594.

The spelling of 1116729 in words is "one million, one hundred sixteen thousand, seven hundred twenty-nine".