1321032104 has 32 divisors (see below), whose sum is σ = 2877196800. Its totient is φ = 556873920.

The previous prime is 1321032103. The next prime is 1321032137. The reversal of 1321032104 is 4012301231.

It is not an unprimeable number, because it can be changed into a prime (1321032103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189944 + ... + 196775.

It is an arithmetic number, because the mean of its divisors is an integer number (89912400).

Almost surely, 2^1321032104 is an apocalyptic number.

1321032104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1321032104 is an abundant number, since it is smaller than the sum of its proper divisors (1556164696).

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

1321032104 is a wasteful number, since it uses less digits than its factorization.

1321032104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386793 (or 386789 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1321032104 is about 36346.0053375883. The cubic root of 1321032104 is about 1097.2471395780.

Adding to 1321032104 its reverse (4012301231), we get a palindrome (5333333335).

The spelling of 1321032104 in words is "one billion, three hundred twenty-one million, thirty-two thousand, one hundred four".