1223004042 has 32 divisors (see below), whose sum is σ = 2926848960. Its totient is φ = 376308720.

The previous prime is 1223004023. The next prime is 1223004053. The reversal of 1223004042 is 2404003221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870384 + ... + 871787.

It is an arithmetic number, because the mean of its divisors is an integer number (91464030).

Almost surely, 2^1223004042 is an apocalyptic number.

1223004042 is an abundant number, since it is smaller than the sum of its proper divisors (1703844918).

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

1223004042 is a wasteful number, since it uses less digits than its factorization.

1223004042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742195 (or 1742189 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1223004042 is about 34971.4746900956. The cubic root of 1223004042 is about 1069.4060353862.

Adding to 1223004042 its reverse (2404003221), we get a palindrome (3627007263).

The spelling of 1223004042 in words is "one billion, two hundred twenty-three million, four thousand, forty-two".