113244421 has 2 divisors, whose sum is σ = 113244422. Its totient is φ = 113244420.

The previous prime is 113244409. The next prime is 113244451. The reversal of 113244421 is 124442311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70812225 + 42432196 = 8415^2 + 6514^2 .

It is a cyclic number.

It is not a de Polignac number, because 113244421 - 2⁹ = 113243909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113244392 and 113244401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113244451) 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, 56622210 + 56622211.

It is an arithmetic number, because the mean of its divisors is an integer number (56622211).

Almost surely, 2^113244421 is an apocalyptic number.

It is an amenable number.

113244421 is a deficient number, since it is larger than the sum of its proper divisors (1).

113244421 is an equidigital number, since it uses as much as digits as its factorization.

113244421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 22.

The square root of 113244421 is about 10641.6361993821. The cubic root of 113244421 is about 483.8071383431.

Adding to 113244421 its reverse (124442311), we get a palindrome (237686732).

The spelling of 113244421 in words is "one hundred thirteen million, two hundred forty-four thousand, four hundred twenty-one".