1121122117 has 2 divisors, whose sum is σ = 1121122118. Its totient is φ = 1121122116.

The previous prime is 1121122073. The next prime is 1121122129. The reversal of 1121122117 is 7112211211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1032272641 + 88849476 = 32129^2 + 9426^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121122117 - 2²⁷ = 986904389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121122094 and 1121122103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121122517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560561058 + 560561059.

It is an arithmetic number, because the mean of its divisors is an integer number (560561059).

Almost surely, 2^1121122117 is an apocalyptic number.

It is an amenable number.

1121122117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121122117 is an equidigital number, since it uses as much as digits as its factorization.

1121122117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56, while the sum is 19.

The square root of 1121122117 is about 33483.1616936035. The cubic root of 1121122117 is about 1038.8455251988.

Adding to 1121122117 its reverse (7112211211), we get a palindrome (8233333328).

The spelling of 1121122117 in words is "one billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred seventeen".