1022004043 has 2 divisors, whose sum is σ = 1022004044. Its totient is φ = 1022004042.

The previous prime is 1022004029. The next prime is 1022004059. The reversal of 1022004043 is 3404002201.

It is an a-pointer prime, because the next prime (1022004059) can be obtained adding 1022004043 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1022004043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1022004013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511002021 + 511002022.

It is an arithmetic number, because the mean of its divisors is an integer number (511002022).

Almost surely, 2^1022004043 is an apocalyptic number.

1022004043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022004043 is an equidigital number, since it uses as much as digits as its factorization.

1022004043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1022004043 is about 31968.7979598858. The cubic root of 1022004043 is about 1007.2815316068.

Adding to 1022004043 its reverse (3404002201), we get a palindrome (4426006244).

The spelling of 1022004043 in words is "one billion, twenty-two million, four thousand, forty-three".