1022065243 has 8 divisors (see below), whose sum is σ = 1048380480. Its totient is φ = 995940480.

The previous prime is 1022065229. The next prime is 1022065249. The reversal of 1022065243 is 3425602201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022065243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022065249) 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, 36718 + ... + 58243.

It is an arithmetic number, because the mean of its divisors is an integer number (131047560).

Almost surely, 2^1022065243 is an apocalyptic number.

1022065243 is a deficient number, since it is larger than the sum of its proper divisors (26315237).

1022065243 is an equidigital number, since it uses as much as digits as its factorization.

1022065243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95237.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1022065243 is about 31969.7551288714. The cubic root of 1022065243 is about 1007.3016373327.

Adding to 1022065243 its reverse (3425602201), we get a palindrome (4447667444).

The spelling of 1022065243 in words is "one billion, twenty-two million, sixty-five thousand, two hundred forty-three".