1121814 has 12 divisors (see below), whose sum is σ = 2430636. Its totient is φ = 373932.

The previous prime is 1121737. The next prime is 1121819. The reversal of 1121814 is 4181211.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 62323 = 1121814 / (1 + 1 + 2 + 1 + 8 + 1 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121819) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31144 + ... + 31179.

It is an arithmetic number, because the mean of its divisors is an integer number (202553).

2^1121814 is an apocalyptic number.

1121814 is an abundant number, since it is smaller than the sum of its proper divisors (1308822).

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

1121814 is a wasteful number, since it uses less digits than its factorization.

1121814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62331 (or 62328 counting only the distinct ones).

The product of its digits is 64, while the sum is 18.

The square root of 1121814 is about 1059.1572121267. The cubic root of 1121814 is about 103.9059183682.

The spelling of 1121814 in words is "one million, one hundred twenty-one thousand, eight hundred fourteen".