1121683 has 4 divisors (see below), whose sum is σ = 1123840. Its totient is φ = 1119528.

The previous prime is 1121671. The next prime is 1121689. The reversal of 1121683 is 3861211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121683 - 2⁵ = 1121651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238 + ... + 1516.

It is an arithmetic number, because the mean of its divisors is an integer number (280960).

2^1121683 is an apocalyptic number.

1121683 is a deficient number, since it is larger than the sum of its proper divisors (2157).

1121683 is an equidigital number, since it uses as much as digits as its factorization.

1121683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156.

The product of its digits is 288, while the sum is 22.

The square root of 1121683 is about 1059.0953686992. The cubic root of 1121683 is about 103.9018736676.

Adding to 1121683 its reverse (3861211), we get a palindrome (4982894).

The spelling of 1121683 in words is "one million, one hundred twenty-one thousand, six hundred eighty-three".