1411987 has 2 divisors, whose sum is σ = 1411988. Its totient is φ = 1411986.

The previous prime is 1411979. The next prime is 1411997. The reversal of 1411987 is 7891141.

It is a weak prime.

It is an emirp because it is prime and its reverse (7891141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1411987 - 2³ = 1411979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1411937) 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, 705993 + 705994.

It is an arithmetic number, because the mean of its divisors is an integer number (705994).

2^1411987 is an apocalyptic number.

1411987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1411987 is an equidigital number, since it uses as much as digits as its factorization.

1411987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 31.

The square root of 1411987 is about 1188.2705920791. The cubic root of 1411987 is about 112.1872664313.

The spelling of 1411987 in words is "one million, four hundred eleven thousand, nine hundred eighty-seven".