1320232122 has 112 divisors (see below), whose sum is σ = 3261791808. Its totient is φ = 397275840.

The previous prime is 1320232099. The next prime is 1320232127. The reversal of 1320232122 is 2212320231.

1320232122 is a `hidden beast` number, since 1 + 320 + 2 + 321 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1320232095 and 1320232104.

It is not an unprimeable number, because it can be changed into a prime (1320232127) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4217838 + ... + 4218150.

Almost surely, 2^1320232122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1320232122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1630895904).

1320232122 is an abundant number, since it is smaller than the sum of its proper divisors (1941559686).

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

1320232122 is a wasteful number, since it uses less digits than its factorization.

1320232122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1320232122 is about 36334.9985826338. The cubic root of 1320232122 is about 1097.0256069333.

Adding to 1320232122 its reverse (2212320231), we get a palindrome (3532552353).

The spelling of 1320232122 in words is "one billion, three hundred twenty million, two hundred thirty-two thousand, one hundred twenty-two".