1092021 has 16 divisors (see below), whose sum is σ = 1680000. Its totient is φ = 618048.

The previous prime is 1092019. The next prime is 1092023. The reversal of 1092021 is 1202901.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1092019) and next prime (1092023).

It is not a de Polignac number, because 1092021 - 2¹ = 1092019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1092023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2955 + ... + 3303.

It is an arithmetic number, because the mean of its divisors is an integer number (105000).

2^1092021 is an apocalyptic number.

It is an amenable number.

1092021 is a deficient number, since it is larger than the sum of its proper divisors (587979).

1092021 is a wasteful number, since it uses less digits than its factorization.

1092021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1092021 is about 1044.9980861226. The cubic root of 1092021 is about 102.9778127973.

Adding to 1092021 its reverse (1202901), we get a palindrome (2294922).

The spelling of 1092021 in words is "one million, ninety-two thousand, twenty-one".