1115436 has 48 divisors (see below), whose sum is σ = 3046400. Its totient is φ = 317520.

The previous prime is 1115419. The next prime is 1115447. The reversal of 1115436 is 6345111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 3981 + ... + 4251.

2^1115436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1523200).

1115436 is an abundant number, since it is smaller than the sum of its proper divisors (1930964).

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

1115436 is a wasteful number, since it uses less digits than its factorization.

1115436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 283 counting only the distinct ones).

The product of its digits is 360, while the sum is 21.

The square root of 1115436 is about 1056.1420359024. The cubic root of 1115436 is about 103.7086272354.

It can be divided in two parts, 1115 and 436, that added together give a palindrome (1551).

The spelling of 1115436 in words is "one million, one hundred fifteen thousand, four hundred thirty-six".