1115830 has 16 divisors (see below), whose sum is σ = 2021184. Its totient is φ = 443520.

The previous prime is 1115789. The next prime is 1115831. The reversal of 1115830 is 385111.

It is a junction number, because it is equal to n+sod(n) for n = 1115798 and 1115807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2179 + ... + 2641.

It is an arithmetic number, because the mean of its divisors is an integer number (126324).

2^1115830 is an apocalyptic number.

1115830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115830 is a deficient number, since it is larger than the sum of its proper divisors (905354).

1115830 is a wasteful number, since it uses less digits than its factorization.

1115830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1115830 is about 1056.3285473753. The cubic root of 1115830 is about 103.7208366282.

The spelling of 1115830 in words is "one million, one hundred fifteen thousand, eight hundred thirty".