1214289 has 6 divisors (see below), whose sum is σ = 1753986. Its totient is φ = 809520.

The previous prime is 1214281. The next prime is 1214299. The reversal of 1214289 is 9824121.

It can be written as a sum of positive squares in only one way, i.e., 1040400 + 173889 = 1020^2 + 417^2 .

It is not a de Polignac number, because 1214289 - 2³ = 1214281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1214281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67452 + ... + 67469.

It is an arithmetic number, because the mean of its divisors is an integer number (292331).

2^1214289 is an apocalyptic number.

It is an amenable number.

1214289 is a deficient number, since it is larger than the sum of its proper divisors (539697).

1214289 is a wasteful number, since it uses less digits than its factorization.

1214289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134927 (or 134924 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 1214289 is about 1101.9478209062. The cubic root of 1214289 is about 106.6859806606.

The spelling of 1214289 in words is "one million, two hundred fourteen thousand, two hundred eighty-nine".