1314921 has 8 divisors (see below), whose sum is σ = 1764640. Its totient is φ = 870912.

The previous prime is 1314917. The next prime is 1314941. The reversal of 1314921 is 1294131.

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

It is not a de Polignac number, because 1314921 - 2² = 1314917 is a prime.

It is a Duffinian number.

1314921 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1314941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856 + ... + 1833.

It is an arithmetic number, because the mean of its divisors is an integer number (220580).

2^1314921 is an apocalyptic number.

It is an amenable number.

1314921 is a deficient number, since it is larger than the sum of its proper divisors (449719).

1314921 is a wasteful number, since it uses less digits than its factorization.

1314921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855.

The product of its digits is 216, while the sum is 21.

The square root of 1314921 is about 1146.7000479637. The cubic root of 1314921 is about 109.5552566133. Note that the first 3 decimals are identical.

The spelling of 1314921 in words is "one million, three hundred fourteen thousand, nine hundred twenty-one".