1020939 has 8 divisors (see below), whose sum is σ = 1387152. Its totient is φ = 667680.

The previous prime is 1020931. The next prime is 1020959. The reversal of 1020939 is 9390201.

It is a happy number.

1020939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1020939 - 2³ = 1020931 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1020931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3052 + ... + 3369.

It is an arithmetic number, because the mean of its divisors is an integer number (173394).

2^1020939 is an apocalyptic number.

1020939 is a deficient number, since it is larger than the sum of its proper divisors (366213).

1020939 is an equidigital number, since it uses as much as digits as its factorization.

1020939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6477.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 1020939 is about 1010.4152611674. The cubic root of 1020939 is about 100.6931509828.

The spelling of 1020939 in words is "one million, twenty thousand, nine hundred thirty-nine".