123252113 has 2 divisors, whose sum is σ = 123252114. Its totient is φ = 123252112.

The previous prime is 123252071. The next prime is 123252119. The reversal of 123252113 is 311252321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 97160449 + 26091664 = 9857^2 + 5108^2 .

It is an emirp because it is prime and its reverse (311252321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 123252113 - 2⁶ = 123252049 is a prime.

It is not a weakly prime, because it can be changed into another prime (123252119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61626056 + 61626057.

It is an arithmetic number, because the mean of its divisors is an integer number (61626057).

Almost surely, 2^123252113 is an apocalyptic number.

It is an amenable number.

123252113 is a deficient number, since it is larger than the sum of its proper divisors (1).

123252113 is an equidigital number, since it uses as much as digits as its factorization.

123252113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 20.

The square root of 123252113 is about 11101.8968199133. The cubic root of 123252113 is about 497.6585362106.

The spelling of 123252113 in words is "one hundred twenty-three million, two hundred fifty-two thousand, one hundred thirteen".