1332121121 has 2 divisors, whose sum is σ = 1332121122. Its totient is φ = 1332121120.

The previous prime is 1332121097. The next prime is 1332121127. The reversal of 1332121121 is 1211212331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1258830400 + 73290721 = 35480^2 + 8561^2 .

It is a cyclic number.

It is not a de Polignac number, because 1332121121 - 2¹⁴ = 1332104737 is a prime.

It is a super-3 number, since 3×1332121121³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1332121121.

It is not a weakly prime, because it can be changed into another prime (1332121127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666060560 + 666060561.

It is an arithmetic number, because the mean of its divisors is an integer number (666060561).

Almost surely, 2^1332121121 is an apocalyptic number.

It is an amenable number.

1332121121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332121121 is an equidigital number, since it uses as much as digits as its factorization.

1332121121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 17.

The square root of 1332121121 is about 36498.2344915477. The cubic root of 1332121121 is about 1100.3087620849.

Adding to 1332121121 its reverse (1211212331), we get a palindrome (2543333452).

The spelling of 1332121121 in words is "one billion, three hundred thirty-two million, one hundred twenty-one thousand, one hundred twenty-one".