1022943 has 8 divisors (see below), whose sum is σ = 1370800. Its totient is φ = 678528.

The previous prime is 1022933. The next prime is 1022963. The reversal of 1022943 is 3492201.

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

It is not a de Polignac number, because 1022943 - 2⁵ = 1022911 is a prime.

It is a Duffinian number.

1022943 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022933) 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, 58 + ... + 1431.

It is an arithmetic number, because the mean of its divisors is an integer number (171350).

2^1022943 is an apocalyptic number.

1022943 is a deficient number, since it is larger than the sum of its proper divisors (347857).

1022943 is a wasteful number, since it uses less digits than its factorization.

1022943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1022943 is about 1011.4064464892. The cubic root of 1022943 is about 100.7589914127.

The spelling of 1022943 in words is "one million, twenty-two thousand, nine hundred forty-three".