1140000997 has 2 divisors, whose sum is σ = 1140000998. Its totient is φ = 1140000996.

The previous prime is 1140000989. The next prime is 1140001091. The reversal of 1140000997 is 7990000411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1125870916 + 14130081 = 33554^2 + 3759^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140000997 - 2³ = 1140000989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140000947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570000498 + 570000499.

It is an arithmetic number, because the mean of its divisors is an integer number (570000499).

Almost surely, 2^1140000997 is an apocalyptic number.

It is an amenable number.

1140000997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140000997 is an equidigital number, since it uses as much as digits as its factorization.

1140000997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 1140000997 is about 33763.9007965608. The cubic root of 1140000997 is about 1044.6442313573.

The spelling of 1140000997 in words is "one billion, one hundred forty million, nine hundred ninety-seven", and thus it is an aban number.