1223894 has 8 divisors (see below), whose sum is σ = 2098128. Its totient is φ = 524520.

The previous prime is 1223879. The next prime is 1223897. The reversal of 1223894 is 4983221.

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 (1223897) 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 3 ways as a sum of consecutive naturals, for example, 43697 + ... + 43724.

It is an arithmetic number, because the mean of its divisors is an integer number (262266).

2^1223894 is an apocalyptic number.

1223894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1223894 is a deficient number, since it is larger than the sum of its proper divisors (874234).

1223894 is an equidigital number, since it uses as much as digits as its factorization.

1223894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87430.

The product of its digits is 3456, while the sum is 29.

The square root of 1223894 is about 1106.2974283618. The cubic root of 1223894 is about 106.9665368325.

The spelling of 1223894 in words is "one million, two hundred twenty-three thousand, eight hundred ninety-four".