1022039 has 4 divisors (see below), whose sum is σ = 1055040. Its totient is φ = 989040.

The previous prime is 1022033. The next prime is 1022053. The reversal of 1022039 is 9302201.

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 1022039 - 2¹⁶ = 956503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022033) 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, 16454 + ... + 16515.

It is an arithmetic number, because the mean of its divisors is an integer number (263760).

2^1022039 is an apocalyptic number.

1022039 is a deficient number, since it is larger than the sum of its proper divisors (33001).

1022039 is an equidigital number, since it uses as much as digits as its factorization.

1022039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33000.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1022039 is about 1010.9594452796. The cubic root of 1022039 is about 100.7293015951.

The spelling of 1022039 in words is "one million, twenty-two thousand, thirty-nine".