113421606 has 8 divisors (see below), whose sum is σ = 226843224. Its totient is φ = 37807200.

The previous prime is 113421599. The next prime is 113421611. The reversal of 113421606 is 606124311.

It is a sphenic number, since it is the product of 3 distinct primes.

113421606 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9451795 + ... + 9451806.

It is an arithmetic number, because the mean of its divisors is an integer number (28355403).

Almost surely, 2^113421606 is an apocalyptic number.

113421606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113421606 is a wasteful number, since it uses less digits than its factorization.

113421606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18903606.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 113421606 is about 10649.9580280863. The cubic root of 113421606 is about 484.0593323661.

Adding to 113421606 its reverse (606124311), we get a palindrome (719545917).

The spelling of 113421606 in words is "one hundred thirteen million, four hundred twenty-one thousand, six hundred six".