131124269 has 2 divisors, whose sum is σ = 131124270. Its totient is φ = 131124268.

The previous prime is 131124241. The next prime is 131124271. The reversal of 131124269 is 962421131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126450025 + 4674244 = 11245^2 + 2162^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131124269 is a prime.

It is a super-2 number, since 2×131124269² = 34387147841568722, which contains 22 as substring.

Together with 131124271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131124229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65562134 + 65562135.

It is an arithmetic number, because the mean of its divisors is an integer number (65562135).

Almost surely, 2^131124269 is an apocalyptic number.

It is an amenable number.

131124269 is a deficient number, since it is larger than the sum of its proper divisors (1).

131124269 is an equidigital number, since it uses as much as digits as its factorization.

131124269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 131124269 is about 11450.9505718958. The cubic root of 131124269 is about 508.0358503333.

The spelling of 131124269 in words is "one hundred thirty-one million, one hundred twenty-four thousand, two hundred sixty-nine".