1120201997 has 2 divisors, whose sum is σ = 1120201998. Its totient is φ = 1120201996.

The previous prime is 1120201969. The next prime is 1120202021. The reversal of 1120201997 is 7991020211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 733922281 + 386279716 = 27091^2 + 19654^2 .

It is an emirp because it is prime and its reverse (7991020211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1120201997 - 2⁶ = 1120201933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120201597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560100998 + 560100999.

It is an arithmetic number, because the mean of its divisors is an integer number (560100999).

Almost surely, 2^1120201997 is an apocalyptic number.

It is an amenable number.

1120201997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120201997 is an equidigital number, since it uses as much as digits as its factorization.

1120201997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 1120201997 is about 33469.4188327195. The cubic root of 1120201997 is about 1038.5612492501.

The spelling of 1120201997 in words is "one billion, one hundred twenty million, two hundred one thousand, nine hundred ninety-seven".