1321301104 has 40 divisors (see below), whose sum is σ = 2602916240. Its totient is φ = 649617408.

The previous prime is 1321301101. The next prime is 1321301123. The reversal of 1321301104 is 4011031231.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321301101) 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, 1145392 + ... + 1146544.

It is an arithmetic number, because the mean of its divisors is an integer number (65072906).

Almost surely, 2^1321301104 is an apocalyptic number.

It is an amenable number.

1321301104 is a deficient number, since it is larger than the sum of its proper divisors (1281615136).

1321301104 is a wasteful number, since it uses less digits than its factorization.

1321301104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297 (or 2291 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1321301104 is about 36349.7056934441. The cubic root of 1321301104 is about 1097.3216115124.

Adding to 1321301104 its reverse (4011031231), we get a palindrome (5332332335).

The spelling of 1321301104 in words is "one billion, three hundred twenty-one million, three hundred one thousand, one hundred four".