1208241131 has 2 divisors, whose sum is σ = 1208241132. Its totient is φ = 1208241130.

The previous prime is 1208241121. The next prime is 1208241157. The reversal of 1208241131 is 1311428021.

It is a weak prime.

It is an emirp because it is prime and its reverse (1311428021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1208241131 - 2¹⁸ = 1207978987 is a prime.

It is a super-2 number, since 2×1208241131² = 2919693261280318322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1208241097 and 1208241106.

It is not a weakly prime, because it can be changed into another prime (1208241121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 604120565 + 604120566.

It is an arithmetic number, because the mean of its divisors is an integer number (604120566).

Almost surely, 2^1208241131 is an apocalyptic number.

1208241131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1208241131 is an equidigital number, since it uses as much as digits as its factorization.

1208241131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1208241131 is about 34759.7631033354. The cubic root of 1208241131 is about 1065.0856627665.

Adding to 1208241131 its reverse (1311428021), we get a palindrome (2519669152).

The spelling of 1208241131 in words is "one billion, two hundred eight million, two hundred forty-one thousand, one hundred thirty-one".