1022047 has 8 divisors (see below), whose sum is σ = 1139040. Its totient is φ = 910560.

The previous prime is 1022033. The next prime is 1022053. The reversal of 1022047 is 7402201.

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

It is a cyclic number.

It is not a de Polignac number, because 1022047 - 2⁷ = 1021919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1022047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979 + ... + 1732.

It is an arithmetic number, because the mean of its divisors is an integer number (142380).

2^1022047 is an apocalyptic number.

1022047 is a deficient number, since it is larger than the sum of its proper divisors (116993).

1022047 is a wasteful number, since it uses less digits than its factorization.

1022047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2753.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 1022047 is about 1010.9634019093. The cubic root of 1022047 is about 100.7295644136.

Adding to 1022047 its reverse (7402201), we get a palindrome (8424248).

The spelling of 1022047 in words is "one million, twenty-two thousand, forty-seven".