1078787 has 2 divisors, whose sum is σ = 1078788. Its totient is φ = 1078786.

The previous prime is 1078757. The next prime is 1078789. The reversal of 1078787 is 7878701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1078787 - 2¹⁰ = 1077763 is a prime.

Together with 1078789, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 1078787.

It is not a weakly prime, because it can be changed into another prime (1078789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539393 + 539394.

It is an arithmetic number, because the mean of its divisors is an integer number (539394).

2^1078787 is an apocalyptic number.

1078787 is a deficient number, since it is larger than the sum of its proper divisors (1).

1078787 is an equidigital number, since it uses as much as digits as its factorization.

1078787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21952, while the sum is 38.

The square root of 1078787 is about 1038.6467156834. The cubic root of 1078787 is about 102.5601312848.

The spelling of 1078787 in words is "one million, seventy-eight thousand, seven hundred eighty-seven".