1304121342 has 16 divisors (see below), whose sum is σ = 2610951552. Its totient is φ = 434255640.

The previous prime is 1304121311. The next prime is 1304121347. The reversal of 1304121342 is 2431214031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304121347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106584 + ... + 118187.

It is an arithmetic number, because the mean of its divisors is an integer number (163184472).

Almost surely, 2^1304121342 is an apocalyptic number.

1304121342 is an abundant number, since it is smaller than the sum of its proper divisors (1306830210).

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

1304121342 is a wasteful number, since it uses less digits than its factorization.

1304121342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225743.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1304121342 is about 36112.6202594052. The cubic root of 1304121342 is about 1092.5450005988.

Adding to 1304121342 its reverse (2431214031), we get a palindrome (3735335373).

The spelling of 1304121342 in words is "one billion, three hundred four million, one hundred twenty-one thousand, three hundred forty-two".