1304121044 has 6 divisors (see below), whose sum is σ = 2282211834. Its totient is φ = 652060520.

The previous prime is 1304121037. The next prime is 1304121053. The reversal of 1304121044 is 4401214031.

It can be written as a sum of positive squares in only one way, i.e., 1278920644 + 25200400 = 35762^2 + 5020^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163015127 + ... + 163015134.

It is an arithmetic number, because the mean of its divisors is an integer number (380368639).

Almost surely, 2^1304121044 is an apocalyptic number.

It is an amenable number.

1304121044 is a deficient number, since it is larger than the sum of its proper divisors (978090790).

1304121044 is a wasteful number, since it uses less digits than its factorization.

1304121044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326030265 (or 326030263 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1304121044 is about 36112.6161334235. The cubic root of 1304121044 is about 1092.5449173810.

Adding to 1304121044 its reverse (4401214031), we get a palindrome (5705335075).

The spelling of 1304121044 in words is "one billion, three hundred four million, one hundred twenty-one thousand, forty-four".