1320100122 has 16 divisors (see below), whose sum is σ = 2880218592. Its totient is φ = 400030320.

The previous prime is 1320100057. The next prime is 1320100127. The reversal of 1320100122 is 2210010231.

It is a junction number, because it is equal to n+sod(n) for n = 1320100098 and 1320100107.

It is not an unprimeable number, because it can be changed into a prime (1320100127) 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, 10000693 + ... + 10000824.

It is an arithmetic number, because the mean of its divisors is an integer number (180013662).

Almost surely, 2^1320100122 is an apocalyptic number.

1320100122 is an abundant number, since it is smaller than the sum of its proper divisors (1560118470).

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

1320100122 is a wasteful number, since it uses less digits than its factorization.

1320100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20001533.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1320100122 is about 36333.1821067189. The cubic root of 1320100122 is about 1096.9890446238.

Adding to 1320100122 its reverse (2210010231), we get a palindrome (3530110353).

The spelling of 1320100122 in words is "one billion, three hundred twenty million, one hundred thousand, one hundred twenty-two".