1287214 has 8 divisors (see below), whose sum is σ = 1935648. Its totient is φ = 642000.

The previous prime is 1287199. The next prime is 1287217. The reversal of 1287214 is 4127821.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1287217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074 + ... + 1930.

It is an arithmetic number, because the mean of its divisors is an integer number (241956).

2^1287214 is an apocalyptic number.

1287214 is a deficient number, since it is larger than the sum of its proper divisors (648434).

1287214 is an equidigital number, since it uses as much as digits as its factorization.

1287214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610.

The product of its digits is 896, while the sum is 25.

The square root of 1287214 is about 1134.5545381338. The cubic root of 1287214 is about 108.7802998321.

The spelling of 1287214 in words is "one million, two hundred eighty-seven thousand, two hundred fourteen".