1022123117 has 2 divisors, whose sum is σ = 1022123118. Its totient is φ = 1022123116.

The previous prime is 1022123101. The next prime is 1022123129. The reversal of 1022123117 is 7113212201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 619960201 + 402162916 = 24899^2 + 20054^2 .

It is an emirp because it is prime and its reverse (7113212201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1022123117 - 2⁴ = 1022123101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022123917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511061558 + 511061559.

It is an arithmetic number, because the mean of its divisors is an integer number (511061559).

Almost surely, 2^1022123117 is an apocalyptic number.

It is an amenable number.

1022123117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022123117 is an equidigital number, since it uses as much as digits as its factorization.

1022123117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1022123117 is about 31970.6602528005. The cubic root of 1022123117 is about 1007.3206496462.

Adding to 1022123117 its reverse (7113212201), we get a palindrome (8135335318).

The spelling of 1022123117 in words is "one billion, twenty-two million, one hundred twenty-three thousand, one hundred seventeen".