113121227 has 2 divisors, whose sum is σ = 113121228. Its totient is φ = 113121226.

The previous prime is 113121223. The next prime is 113121233. The reversal of 113121227 is 722121311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113121227 - 2² = 113121223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113121199 and 113121208.

It is not a weakly prime, because it can be changed into another prime (113121223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56560613 + 56560614.

It is an arithmetic number, because the mean of its divisors is an integer number (56560614).

Almost surely, 2^113121227 is an apocalyptic number.

113121227 is a deficient number, since it is larger than the sum of its proper divisors (1).

113121227 is an equidigital number, since it uses as much as digits as its factorization.

113121227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 20.

The square root of 113121227 is about 10635.8463226957. The cubic root of 113121227 is about 483.6316366508.

Adding to 113121227 its reverse (722121311), we get a palindrome (835242538).

The spelling of 113121227 in words is "one hundred thirteen million, one hundred twenty-one thousand, two hundred twenty-seven".