1220342104 has 16 divisors (see below), whose sum is σ = 2289798000. Its totient is φ = 609729312.

The previous prime is 1220342099. The next prime is 1220342147. The reversal of 1220342104 is 4012430221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43327 + ... + 65710.

It is an arithmetic number, because the mean of its divisors is an integer number (143112375).

Almost surely, 2^1220342104 is an apocalyptic number.

It is an amenable number.

1220342104 is a deficient number, since it is larger than the sum of its proper divisors (1069455896).

1220342104 is a wasteful number, since it uses less digits than its factorization.

1220342104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110442 (or 110438 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1220342104 is about 34933.3952543980. The cubic root of 1220342104 is about 1068.6295973980.

Adding to 1220342104 its reverse (4012430221), we get a palindrome (5232772325).

The spelling of 1220342104 in words is "one billion, two hundred twenty million, three hundred forty-two thousand, one hundred four".