131122559 has 2 divisors, whose sum is σ = 131122560. Its totient is φ = 131122558.

The previous prime is 131122507. The next prime is 131122571. The reversal of 131122559 is 955221131.

It is a strong prime.

It is an emirp because it is prime and its reverse (955221131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131122559 - 2¹⁶ = 131057023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131122259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65561279 + 65561280.

It is an arithmetic number, because the mean of its divisors is an integer number (65561280).

Almost surely, 2^131122559 is an apocalyptic number.

131122559 is a deficient number, since it is larger than the sum of its proper divisors (1).

131122559 is an equidigital number, since it uses as much as digits as its factorization.

131122559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2700, while the sum is 29.

The square root of 131122559 is about 11450.8759053620. The cubic root of 131122559 is about 508.0336418810.

The spelling of 131122559 in words is "one hundred thirty-one million, one hundred twenty-two thousand, five hundred fifty-nine".