1331126107 has 2 divisors, whose sum is σ = 1331126108. Its totient is φ = 1331126106.

The previous prime is 1331126039. The next prime is 1331126179. The reversal of 1331126107 is 7016211331.

It is a weak prime.

It is an emirp because it is prime and its reverse (7016211331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1331126107 - 2²³ = 1322737499 is a prime.

It is a super-3 number, since 3×1331126107³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1331126207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665563053 + 665563054.

It is an arithmetic number, because the mean of its divisors is an integer number (665563054).

Almost surely, 2^1331126107 is an apocalyptic number.

1331126107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1331126107 is an equidigital number, since it uses as much as digits as its factorization.

1331126107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1331126107 is about 36484.6009571161. The cubic root of 1331126107 is about 1100.0347391233.

Adding to 1331126107 its reverse (7016211331), we get a palindrome (8347337438).

The spelling of 1331126107 in words is "one billion, three hundred thirty-one million, one hundred twenty-six thousand, one hundred seven".