1304120042 has 8 divisors (see below), whose sum is σ = 1957737600. Its totient is φ = 651540844.

The previous prime is 1304120017. The next prime is 1304120047. The reversal of 1304120042 is 2400214031.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1304120042.

It is not an unprimeable number, because it can be changed into a prime (1304120047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256442 + ... + 261477.

It is an arithmetic number, because the mean of its divisors is an integer number (244717200).

Almost surely, 2^1304120042 is an apocalyptic number.

1304120042 is a deficient number, since it is larger than the sum of its proper divisors (653617558).

1304120042 is a wasteful number, since it uses less digits than its factorization.

1304120042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519180.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1304120042 is about 36112.6022601529. The cubic root of 1304120042 is about 1092.5446375679.

Adding to 1304120042 its reverse (2400214031), we get a palindrome (3704334073).

The spelling of 1304120042 in words is "one billion, three hundred four million, one hundred twenty thousand, forty-two".