1114821 has 12 divisors (see below), whose sum is σ = 1628172. Its totient is φ = 734976.

The previous prime is 1114811. The next prime is 1114829. The reversal of 1114821 is 1284111.

It can be written as a sum of positive squares in 2 ways, for example, as 617796 + 497025 = 786^2 + 705^2 .

It is not a de Polignac number, because 1114821 - 2⁷ = 1114693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1114794 and 1114803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1114829) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 235 + ... + 1511.

It is an arithmetic number, because the mean of its divisors is an integer number (135681).

2^1114821 is an apocalyptic number.

It is an amenable number.

1114821 is a deficient number, since it is larger than the sum of its proper divisors (513351).

1114821 is a wasteful number, since it uses less digits than its factorization.

1114821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380 (or 1377 counting only the distinct ones).

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

The square root of 1114821 is about 1055.8508417385. The cubic root of 1114821 is about 103.6895636790.

Adding to 1114821 its reverse (1284111), we get a palindrome (2398932).

The spelling of 1114821 in words is "one million, one hundred fourteen thousand, eight hundred twenty-one".