1080202997 has 2 divisors, whose sum is σ = 1080202998. Its totient is φ = 1080202996.

The previous prime is 1080202993. The next prime is 1080203041. The reversal of 1080202997 is 7992020801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1078859716 + 1343281 = 32846^2 + 1159^2 .

It is a cyclic number.

It is not a de Polignac number, because 1080202997 - 2² = 1080202993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1080202997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1080202993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540101498 + 540101499.

It is an arithmetic number, because the mean of its divisors is an integer number (540101499).

Almost surely, 2^1080202997 is an apocalyptic number.

It is an amenable number.

1080202997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1080202997 is an equidigital number, since it uses as much as digits as its factorization.

1080202997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 1080202997 is about 32866.4418061950. The cubic root of 1080202997 is about 1026.0498454581.

The spelling of 1080202997 in words is "one billion, eighty million, two hundred two thousand, nine hundred ninety-seven".