1115829 has 48 divisors (see below), whose sum is σ = 2063040. Its totient is φ = 587520.

The previous prime is 1115789. The next prime is 1115831. The reversal of 1115829 is 9285111.

It is not a de Polignac number, because 1115829 - 2⁷ = 1115701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115839) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 65629 + ... + 65645.

It is an arithmetic number, because the mean of its divisors is an integer number (42980).

2^1115829 is an apocalyptic number.

It is an amenable number.

1115829 is a deficient number, since it is larger than the sum of its proper divisors (947211).

1115829 is a wasteful number, since it uses less digits than its factorization.

1115829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67 (or 44 counting only the distinct ones).

The product of its digits is 720, while the sum is 27.

The square root of 1115829 is about 1056.3280740376. The cubic root of 1115829 is about 103.7208056436.

The spelling of 1115829 in words is "one million, one hundred fifteen thousand, eight hundred twenty-nine".