182115121 has 2 divisors, whose sum is σ = 182115122. Its totient is φ = 182115120.

The previous prime is 182115097. The next prime is 182115149. The reversal of 182115121 is 121511281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142563600 + 39551521 = 11940^2 + 6289^2 .

It is an emirp because it is prime and its reverse (121511281) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 182115121 - 2²⁷ = 47897393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 182115092 and 182115101.

It is not a weakly prime, because it can be changed into another prime (182115161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91057560 + 91057561.

It is an arithmetic number, because the mean of its divisors is an integer number (91057561).

Almost surely, 2^182115121 is an apocalyptic number.

It is an amenable number.

182115121 is a deficient number, since it is larger than the sum of its proper divisors (1).

182115121 is an equidigital number, since it uses as much as digits as its factorization.

182115121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 160, while the sum is 22.

The square root of 182115121 is about 13495.0035568724. The cubic root of 182115121 is about 566.8245721806.

It can be divided in two parts, 18211 and 5121, that added together give a palindrome (23332).

The spelling of 182115121 in words is "one hundred eighty-two million, one hundred fifteen thousand, one hundred twenty-one".