1330121131 has 2 divisors, whose sum is σ = 1330121132. Its totient is φ = 1330121130.

The previous prime is 1330121077. The next prime is 1330121153. The reversal of 1330121131 is 1311210331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1330121131 - 2¹⁷ = 1329990059 is a prime.

It is a super-2 number, since 2×1330121131² = 3538444446265438322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1330128131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665060565 + 665060566.

It is an arithmetic number, because the mean of its divisors is an integer number (665060566).

Almost surely, 2^1330121131 is an apocalyptic number.

1330121131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330121131 is an equidigital number, since it uses as much as digits as its factorization.

1330121131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1330121131 is about 36470.8257515511. The cubic root of 1330121131 is about 1099.7578340187.

Adding to 1330121131 its reverse (1311210331), we get a palindrome (2641331462).

The spelling of 1330121131 in words is "one billion, three hundred thirty million, one hundred twenty-one thousand, one hundred thirty-one".