1079987 has 2 divisors, whose sum is σ = 1079988. Its totient is φ = 1079986.

The previous prime is 1079983. The next prime is 1079999. The reversal of 1079987 is 7899701.

It is a weak prime.

It is an emirp because it is prime and its reverse (7899701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1079987 - 2² = 1079983 is a prime.

It is not a weakly prime, because it can be changed into another prime (1079983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539993 + 539994.

It is an arithmetic number, because the mean of its divisors is an integer number (539994).

2^1079987 is an apocalyptic number.

1079987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1079987 is an equidigital number, since it uses as much as digits as its factorization.

1079987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 1079987 is about 1039.2242298946. The cubic root of 1079987 is about 102.5981451381.

It can be divided in two parts, 10 and 79987, that added together give a palindrome (79997).

The spelling of 1079987 in words is "one million, seventy-nine thousand, nine hundred eighty-seven".