1223854 has 4 divisors (see below), whose sum is σ = 1835784. Its totient is φ = 611926.

The previous prime is 1223777. The next prime is 1223857. The reversal of 1223854 is 4583221.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×1223854³ = 5499333903543719592, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223857) 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 as a sum of consecutive naturals, namely, 305962 + ... + 305965.

It is an arithmetic number, because the mean of its divisors is an integer number (458946).

2^1223854 is an apocalyptic number.

1223854 is a deficient number, since it is larger than the sum of its proper divisors (611930).

1223854 is an equidigital number, since it uses as much as digits as its factorization.

1223854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611929.

The product of its digits is 1920, while the sum is 25.

The square root of 1223854 is about 1106.2793498931. The cubic root of 1223854 is about 106.9653715061.

The spelling of 1223854 in words is "one million, two hundred twenty-three thousand, eight hundred fifty-four".