1140868097 has 4 divisors (see below), whose sum is σ = 1142013396. Its totient is φ = 1139722800.

The previous prime is 1140868093. The next prime is 1140868121. The reversal of 1140868097 is 7908680411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 748788496 + 392079601 = 27364^2 + 19801^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140868097 - 2² = 1140868093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140868093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571154 + ... + 573147.

It is an arithmetic number, because the mean of its divisors is an integer number (285503349).

Almost surely, 2^1140868097 is an apocalyptic number.

It is an amenable number.

1140868097 is a deficient number, since it is larger than the sum of its proper divisors (1145299).

1140868097 is an equidigital number, since it uses as much as digits as its factorization.

1140868097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145298.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 1140868097 is about 33776.7389929815. The cubic root of 1140868097 is about 1044.9090210242.

The spelling of 1140868097 in words is "one billion, one hundred forty million, eight hundred sixty-eight thousand, ninety-seven".