1214640587 has 2 divisors, whose sum is σ = 1214640588. Its totient is φ = 1214640586.

The previous prime is 1214640577. The next prime is 1214640589. The reversal of 1214640587 is 7850464121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1214640587 - 2⁴ = 1214640571 is a prime.

Together with 1214640589, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1214640587.

It is not a weakly prime, because it can be changed into another prime (1214640589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607320293 + 607320294.

It is an arithmetic number, because the mean of its divisors is an integer number (607320294).

Almost surely, 2^1214640587 is an apocalyptic number.

1214640587 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214640587 is an equidigital number, since it uses as much as digits as its factorization.

1214640587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 1214640587 is about 34851.6941768976. The cubic root of 1214640587 is about 1066.9627633825.

The spelling of 1214640587 in words is "one billion, two hundred fourteen million, six hundred forty thousand, five hundred eighty-seven".