1020339 has 6 divisors (see below), whose sum is σ = 1473836. Its totient is φ = 680220.

The previous prime is 1020337. The next prime is 1020353. The reversal of 1020339 is 9330201.

It is not a de Polignac number, because 1020339 - 2¹ = 1020337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56677 + ... + 56694.

2^1020339 is an apocalyptic number.

1020339 is a deficient number, since it is larger than the sum of its proper divisors (453497).

1020339 is a wasteful number, since it uses less digits than its factorization.

1020339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113377 (or 113374 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1020339 is about 1010.1183099024. The cubic root of 1020339 is about 100.6734215214.

The spelling of 1020339 in words is "one million, twenty thousand, three hundred thirty-nine".