1144996871 has 2 divisors, whose sum is σ = 1144996872. Its totient is φ = 1144996870.

The previous prime is 1144996843. The next prime is 1144996877. The reversal of 1144996871 is 1786994411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1144996871 - 2⁶ = 1144996807 is a prime.

It is a super-3 number, since 3×1144996871³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144996877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572498435 + 572498436.

It is an arithmetic number, because the mean of its divisors is an integer number (572498436).

Almost surely, 2^1144996871 is an apocalyptic number.

1144996871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144996871 is an equidigital number, since it uses as much as digits as its factorization.

1144996871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 50.

The square root of 1144996871 is about 33837.8023961368. The cubic root of 1144996871 is about 1046.1680036439.

The spelling of 1144996871 in words is "one billion, one hundred forty-four million, nine hundred ninety-six thousand, eight hundred seventy-one".