113044421 has 12 divisors (see below), whose sum is σ = 134710380. Its totient is φ = 94530240.

The previous prime is 113044397. The next prime is 113044427. The reversal of 113044421 is 124440311.

It can be written as a sum of positive squares in 2 ways, for example, as 64240225 + 48804196 = 8015^2 + 6986^2 .

It is not a de Polignac number, because 113044421 - 2¹⁸ = 112782277 is a prime.

It is a super-3 number, since 3×113044421³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 113044393 and 113044402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113044427) 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 in 11 ways as a sum of consecutive naturals, for example, 26126 + ... + 30143.

It is an arithmetic number, because the mean of its divisors is an integer number (11225865).

Almost surely, 2^113044421 is an apocalyptic number.

It is an amenable number.

113044421 is a deficient number, since it is larger than the sum of its proper divisors (21665959).

113044421 is an equidigital number, since it uses as much as digits as its factorization.

113044421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56324 (or 56317 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 113044421 is about 10632.2349955219. The cubic root of 113044421 is about 483.5221546299.

Adding to 113044421 its reverse (124440311), we get a palindrome (237484732).

The spelling of 113044421 in words is "one hundred thirteen million, forty-four thousand, four hundred twenty-one".