1162021 has 8 divisors (see below), whose sum is σ = 1398080. Its totient is φ = 943488.

The previous prime is 1162009. The next prime is 1162037. The reversal of 1162021 is 1202611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1162021 - 2⁷ = 1161893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1161992 and 1162010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4236 + ... + 4501.

It is an arithmetic number, because the mean of its divisors is an integer number (174760).

2^1162021 is an apocalyptic number.

It is an amenable number.

1162021 is a deficient number, since it is larger than the sum of its proper divisors (236059).

1162021 is an equidigital number, since it uses as much as digits as its factorization.

1162021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8763.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1162021 is about 1077.9707788247. The cubic root of 1162021 is about 105.1327421681.

Adding to 1162021 its reverse (1202611), we get a palindrome (2364632).

The spelling of 1162021 in words is "one million, one hundred sixty-two thousand, twenty-one".