1140718871 has 2 divisors, whose sum is σ = 1140718872. Its totient is φ = 1140718870.

The previous prime is 1140718867. The next prime is 1140718877. The reversal of 1140718871 is 1788170411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1140718871 - 2² = 1140718867 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140718877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570359435 + 570359436.

It is an arithmetic number, because the mean of its divisors is an integer number (570359436).

Almost surely, 2^1140718871 is an apocalyptic number.

1140718871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140718871 is an equidigital number, since it uses as much as digits as its factorization.

1140718871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 38.

The square root of 1140718871 is about 33774.5299153075. The cubic root of 1140718871 is about 1044.8634608661.

The spelling of 1140718871 in words is "one billion, one hundred forty million, seven hundred eighteen thousand, eight hundred seventy-one".