131122049 has 2 divisors, whose sum is σ = 131122050. Its totient is φ = 131122048.

The previous prime is 131122031. The next prime is 131122051. The reversal of 131122049 is 940221131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129231424 + 1890625 = 11368^2 + 1375^2 .

It is an emirp because it is prime and its reverse (940221131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131122049 - 2²⁰ = 130073473 is a prime.

Together with 131122051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (131122349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65561024 + 65561025.

It is an arithmetic number, because the mean of its divisors is an integer number (65561025).

Almost surely, 2^131122049 is an apocalyptic number.

It is an amenable number.

131122049 is a deficient number, since it is larger than the sum of its proper divisors (1).

131122049 is an equidigital number, since it uses as much as digits as its factorization.

131122049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 131122049 is about 11450.8536363015. The cubic root of 131122049 is about 508.0329832161.

The spelling of 131122049 in words is "one hundred thirty-one million, one hundred twenty-two thousand, forty-nine".