1022041243 has 4 divisors (see below), whose sum is σ = 1045809688. Its totient is φ = 998272800.

The previous prime is 1022041231. The next prime is 1022041277. The reversal of 1022041243 is 3421402201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1022041243 - 2⁵ = 1022041211 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 1022041243.

It is not an unprimeable number, because it can be changed into a prime (1022041283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11884158 + ... + 11884243.

It is an arithmetic number, because the mean of its divisors is an integer number (261452422).

Almost surely, 2^1022041243 is an apocalyptic number.

1022041243 is a deficient number, since it is larger than the sum of its proper divisors (23768445).

1022041243 is an equidigital number, since it uses as much as digits as its factorization.

1022041243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23768444.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1022041243 is about 31969.3797719005. The cubic root of 1022041243 is about 1007.2937528299.

Adding to 1022041243 its reverse (3421402201), we get a palindrome (4443443444).

The spelling of 1022041243 in words is "one billion, twenty-two million, forty-one thousand, two hundred forty-three".