1284214 has 16 divisors (see below), whose sum is σ = 2064528. Its totient is φ = 596992.

The previous prime is 1284211. The next prime is 1284223. The reversal of 1284214 is 4124821.

1284214 = 133² + 134² + ... + 183².

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1284211) 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 in 7 ways as a sum of consecutive naturals, for example, 3462 + ... + 3814.

It is an arithmetic number, because the mean of its divisors is an integer number (129033).

2^1284214 is an apocalyptic number.

1284214 is a deficient number, since it is larger than the sum of its proper divisors (780314).

1284214 is a wasteful number, since it uses less digits than its factorization.

1284214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its digits is 512, while the sum is 22.

The square root of 1284214 is about 1133.2316621062. The cubic root of 1284214 is about 108.6957257692.

The spelling of 1284214 in words is "one million, two hundred eighty-four thousand, two hundred fourteen".