1020879 has 12 divisors (see below), whose sum is σ = 1497496. Its totient is φ = 670032.

The previous prime is 1020853. The next prime is 1020881. The reversal of 1020879 is 9780201.

It is not a de Polignac number, because 1020879 - 2⁵ = 1020847 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 (1020839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244 + ... + 1449.

2^1020879 is an apocalyptic number.

1020879 is a deficient number, since it is larger than the sum of its proper divisors (476617).

1020879 is a wasteful number, since it uses less digits than its factorization.

1020879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766 (or 1763 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 1020879 is about 1010.3855699682. The cubic root of 1020879 is about 100.6911783846.

The spelling of 1020879 in words is "one million, twenty thousand, eight hundred seventy-nine".