1287014387 has 2 divisors, whose sum is σ = 1287014388. Its totient is φ = 1287014386.

The previous prime is 1287014369. The next prime is 1287014429. The reversal of 1287014387 is 7834107821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1287014387 - 2¹⁶ = 1286948851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1287014357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 643507193 + 643507194.

It is an arithmetic number, because the mean of its divisors is an integer number (643507194).

Almost surely, 2^1287014387 is an apocalyptic number.

1287014387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1287014387 is an equidigital number, since it uses as much as digits as its factorization.

1287014387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 1287014387 is about 35874.9827456404. The cubic root of 1287014387 is about 1087.7467655460.

The spelling of 1287014387 in words is "one billion, two hundred eighty-seven million, fourteen thousand, three hundred eighty-seven".