1287366083 has 2 divisors, whose sum is σ = 1287366084. Its totient is φ = 1287366082.

The previous prime is 1287366079. The next prime is 1287366127. The reversal of 1287366083 is 3806637821.

It is an a-pointer prime, because the next prime (1287366127) can be obtained adding 1287366083 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1287366083 - 2² = 1287366079 is a prime.

It is a super-2 number, since 2×1287366083² = 3314622863317525778, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1287326083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 643683041 + 643683042.

It is an arithmetic number, because the mean of its divisors is an integer number (643683042).

Almost surely, 2^1287366083 is an apocalyptic number.

1287366083 is a deficient number, since it is larger than the sum of its proper divisors (1).

1287366083 is an equidigital number, since it uses as much as digits as its factorization.

1287366083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 1287366083 is about 35879.8840995898. The cubic root of 1287366083 is about 1087.8458375660.

The spelling of 1287366083 in words is "one billion, two hundred eighty-seven million, three hundred sixty-six thousand, eighty-three".