1020873 has 16 divisors (see below), whose sum is σ = 1570176. Its totient is φ = 577920.

The previous prime is 1020853. The next prime is 1020881. The reversal of 1020873 is 3780201.

It is not a de Polignac number, because 1020873 - 2⁵ = 1020841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1020823) 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, 3493 + ... + 3773.

It is an arithmetic number, because the mean of its divisors is an integer number (98136).

2^1020873 is an apocalyptic number.

It is an amenable number.

1020873 is a deficient number, since it is larger than the sum of its proper divisors (549303).

1020873 is a wasteful number, since it uses less digits than its factorization.

1020873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1020873 is about 1010.3826008003. The cubic root of 1020873 is about 100.6909811205.

The spelling of 1020873 in words is "one million, twenty thousand, eight hundred seventy-three".