1418009 has 2 divisors, whose sum is σ = 1418010. Its totient is φ = 1418008.

The previous prime is 1417993. The next prime is 1418023. The reversal of 1418009 is 9008141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1315609 + 102400 = 1147^2 + 320^2 .

It is an emirp because it is prime and its reverse (9008141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1418009 - 2⁴ = 1417993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1418059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 709004 + 709005.

It is an arithmetic number, because the mean of its divisors is an integer number (709005).

2^1418009 is an apocalyptic number.

It is an amenable number.

1418009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1418009 is an equidigital number, since it uses as much as digits as its factorization.

1418009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1418009 is about 1190.8018307006. The cubic root of 1418009 is about 112.3465298290.

The spelling of 1418009 in words is "one million, four hundred eighteen thousand, nine".