1026122081 has 2 divisors, whose sum is σ = 1026122082. Its totient is φ = 1026122080.

The previous prime is 1026122063. The next prime is 1026122087. The reversal of 1026122081 is 1802216201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1020163600 + 5958481 = 31940^2 + 2441^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1026122081 is a prime.

It is a super-2 number, since 2×1026122081² = 2105853050231541122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1026122087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513061040 + 513061041.

It is an arithmetic number, because the mean of its divisors is an integer number (513061041).

Almost surely, 2^1026122081 is an apocalyptic number.

It is an amenable number.

1026122081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026122081 is an equidigital number, since it uses as much as digits as its factorization.

1026122081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1026122081 is about 32033.1403549512. The cubic root of 1026122081 is about 1008.6326237007.

Adding to 1026122081 its reverse (1802216201), we get a palindrome (2828338282).

The spelling of 1026122081 in words is "one billion, twenty-six million, one hundred twenty-two thousand, eighty-one".