1332331121 has 24 divisors (see below), whose sum is σ = 1507236864. Its totient is φ = 1176120000.

The previous prime is 1332331111. The next prime is 1332331127. The reversal of 1332331121 is 1211332331.

It is a de Polignac number, because none of the positive numbers 2^k-1332331121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1332331093 and 1332331102.

It is not an unprimeable number, because it can be changed into a prime (1332331127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1343936 + ... + 1344926.

It is an arithmetic number, because the mean of its divisors is an integer number (62801536).

Almost surely, 2^1332331121 is an apocalyptic number.

1332331121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1332331121 is a deficient number, since it is larger than the sum of its proper divisors (174905743).

1332331121 is a wasteful number, since it uses less digits than its factorization.

1332331121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325 (or 1314 counting only the distinct ones).

The product of its digits is 324, while the sum is 20.

The square root of 1332331121 is about 36501.1112296598. Note that the first 3 decimals coincide. The cubic root of 1332331121 is about 1100.3665778234.

Adding to 1332331121 its reverse (1211332331), we get a palindrome (2543663452).

It can be divided in two parts, 13323 and 31121, that added together give a palindrome (44444).

The spelling of 1332331121 in words is "one billion, three hundred thirty-two million, three hundred thirty-one thousand, one hundred twenty-one".