193121106 has 8 divisors (see below), whose sum is σ = 386242224. Its totient is φ = 64373700.

The previous prime is 193121099. The next prime is 193121107. The reversal of 193121106 is 601121391.

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

193121106 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (193121107) by changing a digit.

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, 16093420 + ... + 16093431.

It is an arithmetic number, because the mean of its divisors is an integer number (48280278).

Almost surely, 2^193121106 is an apocalyptic number.

193121106 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.

193121106 is a wasteful number, since it uses less digits than its factorization.

193121106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32186856.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 193121106 is about 13896.8020062171. The cubic root of 193121106 is about 578.0205070888.

Adding to 193121106 its reverse (601121391), we get a palindrome (794242497).

The spelling of 193121106 in words is "one hundred ninety-three million, one hundred twenty-one thousand, one hundred six".