1214591 has 8 divisors (see below), whose sum is σ = 1397760. Its totient is φ = 1033848.

The previous prime is 1214579. The next prime is 1214593. The reversal of 1214591 is 1954121.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214593) 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, 650 + ... + 1688.

It is an arithmetic number, because the mean of its divisors is an integer number (174720).

2^1214591 is an apocalyptic number.

1214591 is a deficient number, since it is larger than the sum of its proper divisors (183169).

1214591 is a wasteful number, since it uses less digits than its factorization.

1214591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1213.

The product of its digits is 360, while the sum is 23.

The square root of 1214591 is about 1102.0848424690. The cubic root of 1214591 is about 106.6948243805.

The spelling of 1214591 in words is "one million, two hundred fourteen thousand, five hundred ninety-one".