121613106 has 8 divisors (see below), whose sum is σ = 243226224. Its totient is φ = 40537700.

The previous prime is 121613099. The next prime is 121613113. The reversal of 121613106 is 601316121.

It is an interprime number because it is at equal distance from previous prime (121613099) and next prime (121613113).

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

121613106 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10134420 + ... + 10134431.

It is an arithmetic number, because the mean of its divisors is an integer number (30403278).

Almost surely, 2^121613106 is an apocalyptic number.

121613106 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.

121613106 is a wasteful number, since it uses less digits than its factorization.

121613106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20268856.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 121613106 is about 11027.8332413942. The cubic root of 121613106 is about 495.4427301139.

Adding to 121613106 its reverse (601316121), we get a palindrome (722929227).

The spelling of 121613106 in words is "one hundred twenty-one million, six hundred thirteen thousand, one hundred six".