1321894 has 8 divisors (see below), whose sum is σ = 2266128. Its totient is φ = 566520.

The previous prime is 1321891. The next prime is 1321897. The reversal of 1321894 is 4981231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1321891) and next prime (1321897).

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321891) 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, 47197 + ... + 47224.

It is an arithmetic number, because the mean of its divisors is an integer number (283266).

2^1321894 is an apocalyptic number.

1321894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1321894 is a deficient number, since it is larger than the sum of its proper divisors (944234).

1321894 is an equidigital number, since it uses as much as digits as its factorization.

1321894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94430.

The product of its digits is 1728, while the sum is 28.

The square root of 1321894 is about 1149.7364915493. The cubic root of 1321894 is about 109.7485717510.

The spelling of 1321894 in words is "one million, three hundred twenty-one thousand, eight hundred ninety-four".