1223862 has 8 divisors (see below), whose sum is σ = 2447736. Its totient is φ = 407952.

The previous prime is 1223857. The next prime is 1223863. The reversal of 1223862 is 2683221.

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

1223862 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223863) 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, 101983 + ... + 101994.

It is an arithmetic number, because the mean of its divisors is an integer number (305967).

2^1223862 is an apocalyptic number.

1223862 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223862 is a wasteful number, since it uses less digits than its factorization.

1223862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203982.

The product of its digits is 1152, while the sum is 24.

The square root of 1223862 is about 1106.2829656105. The cubic root of 1223862 is about 106.9656045734.

The spelling of 1223862 in words is "one million, two hundred twenty-three thousand, eight hundred sixty-two".