1080297997 has 8 divisors (see below), whose sum is σ = 1147528512. Its totient is φ = 1013476800.

The previous prime is 1080297979. The next prime is 1080298027. The reversal of 1080297997 is 7997920801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1080297997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080297947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96879 + ... + 107452.

It is an arithmetic number, because the mean of its divisors is an integer number (143441064).

Almost surely, 2^1080297997 is an apocalyptic number.

1080297997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1080297997 is a deficient number, since it is larger than the sum of its proper divisors (67230515).

1080297997 is a wasteful number, since it uses less digits than its factorization.

1080297997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204659.

The product of its (nonzero) digits is 571536, while the sum is 52.

The square root of 1080297997 is about 32867.8870175739. The cubic root of 1080297997 is about 1026.0799237175.

The spelling of 1080297997 in words is "one billion, eighty million, two hundred ninety-seven thousand, nine hundred ninety-seven".