131122051 has 2 divisors, whose sum is σ = 131122052. Its totient is φ = 131122050.

The previous prime is 131122049. The next prime is 131122081. The reversal of 131122051 is 150221131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131122051 - 2¹ = 131122049 is a prime.

Together with 131122049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (131122031) 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, 65561025 + 65561026.

It is an arithmetic number, because the mean of its divisors is an integer number (65561026).

Almost surely, 2^131122051 is an apocalyptic number.

131122051 is a deficient number, since it is larger than the sum of its proper divisors (1).

131122051 is an equidigital number, since it uses as much as digits as its factorization.

131122051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 131122051 is about 11450.8537236313. The cubic root of 131122051 is about 508.0329857991.

Adding to 131122051 its reverse (150221131), we get a palindrome (281343182).

The spelling of 131122051 in words is "one hundred thirty-one million, one hundred twenty-two thousand, fifty-one".