1202116997 has 2 divisors, whose sum is σ = 1202116998. Its totient is φ = 1202116996.

The previous prime is 1202116991. The next prime is 1202116999. The reversal of 1202116997 is 7996112021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 761704801 + 440412196 = 27599^2 + 20986^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202116997 - 2⁶ = 1202116933 is a prime.

Together with 1202116999, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1202116997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202116991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601058498 + 601058499.

It is an arithmetic number, because the mean of its divisors is an integer number (601058499).

Almost surely, 2^1202116997 is an apocalyptic number.

It is an amenable number.

1202116997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202116997 is an equidigital number, since it uses as much as digits as its factorization.

1202116997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 1202116997 is about 34671.5589064005. The cubic root of 1202116997 is about 1063.2831034559.

The spelling of 1202116997 in words is "one billion, two hundred two million, one hundred sixteen thousand, nine hundred ninety-seven".