132122981 has 2 divisors, whose sum is σ = 132122982. Its totient is φ = 132122980.

The previous prime is 132122957. The next prime is 132122989. The reversal of 132122981 is 189221231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130188100 + 1934881 = 11410^2 + 1391^2 .

It is an emirp because it is prime and its reverse (189221231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132122981 is a prime.

It is a super-2 number, since 2×132122981² = 34912964216652722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132122989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66061490 + 66061491.

It is an arithmetic number, because the mean of its divisors is an integer number (66061491).

Almost surely, 2^132122981 is an apocalyptic number.

It is an amenable number.

132122981 is a deficient number, since it is larger than the sum of its proper divisors (1).

132122981 is an equidigital number, since it uses as much as digits as its factorization.

132122981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 29.

The square root of 132122981 is about 11494.4761081138. The cubic root of 132122981 is about 509.3224129836.

The spelling of 132122981 in words is "one hundred thirty-two million, one hundred twenty-two thousand, nine hundred eighty-one".