122132251 has 2 divisors, whose sum is σ = 122132252. Its totient is φ = 122132250.

The previous prime is 122132191. The next prime is 122132327. The reversal of 122132251 is 152231221.

It is a weak prime.

It is an emirp because it is prime and its reverse (152231221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122132251 - 2⁷ = 122132123 is a prime.

It is not a weakly prime, because it can be changed into another prime (122132051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61066125 + 61066126.

It is an arithmetic number, because the mean of its divisors is an integer number (61066126).

Almost surely, 2^122132251 is an apocalyptic number.

122132251 is a deficient number, since it is larger than the sum of its proper divisors (1).

122132251 is an equidigital number, since it uses as much as digits as its factorization.

122132251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 19.

The square root of 122132251 is about 11051.3461171027. The cubic root of 122132251 is about 496.1467153452.

Adding to 122132251 its reverse (152231221), we get a palindrome (274363472).

The spelling of 122132251 in words is "one hundred twenty-two million, one hundred thirty-two thousand, two hundred fifty-one".