1115994 has 32 divisors (see below), whose sum is σ = 2506176. Its totient is φ = 328320.

The previous prime is 1115993. The next prime is 1116001. The reversal of 1115994 is 4995111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2214 + ... + 2670.

It is an arithmetic number, because the mean of its divisors is an integer number (78318).

2^1115994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253088).

1115994 is an abundant number, since it is smaller than the sum of its proper divisors (1390182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115994 is a wasteful number, since it uses less digits than its factorization.

1115994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510.

The product of its digits is 1620, while the sum is 30.

The square root of 1115994 is about 1056.4061718866. The cubic root of 1115994 is about 103.7259178634.

It can be divided in two parts, 111 and 5994, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 1115994 in words is "one million, one hundred fifteen thousand, nine hundred ninety-four".