1140787 has 2 divisors, whose sum is σ = 1140788. Its totient is φ = 1140786.

The previous prime is 1140749. The next prime is 1140803. The reversal of 1140787 is 7870411.

It is a strong prime.

It is an emirp because it is prime and its reverse (7870411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140787 is a prime.

1140787 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1140487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570393 + 570394.

It is an arithmetic number, because the mean of its divisors is an integer number (570394).

2^1140787 is an apocalyptic number.

1140787 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140787 is an equidigital number, since it uses as much as digits as its factorization.

1140787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 1140787 is about 1068.0763081353. The cubic root of 1140787 is about 104.4884261809.

The spelling of 1140787 in words is "one million, one hundred forty thousand, seven hundred eighty-seven".