1131418 has 16 divisors (see below), whose sum is σ = 1819584. Its totient is φ = 525760.

The previous prime is 1131413. The next prime is 1131419. The reversal of 1131418 is 8141311.

It is a junction number, because it is equal to n+sod(n) for n = 1131395 and 1131404.

It is not an unprimeable number, because it can be changed into a prime (1131413) 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, 3483 + ... + 3793.

It is an arithmetic number, because the mean of its divisors is an integer number (113724).

2^1131418 is an apocalyptic number.

1131418 is a deficient number, since it is larger than the sum of its proper divisors (688166).

1131418 is a wasteful number, since it uses less digits than its factorization.

1131418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437.

The product of its digits is 96, while the sum is 19.

The square root of 1131418 is about 1063.6813432603. The cubic root of 1131418 is about 104.2015936921.

Adding to 1131418 its reverse (8141311), we get a palindrome (9272729).

The spelling of 1131418 in words is "one million, one hundred thirty-one thousand, four hundred eighteen".