1332320121 has 36 divisors (see below), whose sum is σ = 2124517200. Its totient is φ = 797924160.

The previous prime is 1332320111. The next prime is 1332320131. The reversal of 1332320121 is 1210232331.

1332320121 is a `hidden beast` number, since 1 + 332 + 320 + 12 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1332320111) and next prime (1332320131).

It is not a de Polignac number, because 1332320121 - 2⁵ = 1332320089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1332320094 and 1332320103.

It is not an unprimeable number, because it can be changed into a prime (1332320111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 783330 + ... + 785028.

Almost surely, 2^1332320121 is an apocalyptic number.

1332320121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1332320121 is a deficient number, since it is larger than the sum of its proper divisors (792197079).

1332320121 is a wasteful number, since it uses less digits than its factorization.

1332320121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894 (or 1802 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1332320121 is about 36500.9605490047. The cubic root of 1332320121 is about 1100.3635495308.

Adding to 1332320121 its reverse (1210232331), we get a palindrome (2542552452).

The spelling of 1332320121 in words is "one billion, three hundred thirty-two million, three hundred twenty thousand, one hundred twenty-one".