194046121 has 4 divisors (see below), whose sum is σ = 195236752. Its totient is φ = 192855492.

The previous prime is 194046079. The next prime is 194046157. The reversal of 194046121 is 121640491.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 194046121 - 2⁹ = 194045609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 194046121.

It is not an unprimeable number, because it can be changed into a prime (194026121) 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, 595071 + ... + 595396.

It is an arithmetic number, because the mean of its divisors is an integer number (48809188).

Almost surely, 2^194046121 is an apocalyptic number.

It is an amenable number.

194046121 is a deficient number, since it is larger than the sum of its proper divisors (1190631).

194046121 is a wasteful number, since it uses less digits than its factorization.

194046121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190630.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 194046121 is about 13930.0438262053. The cubic root of 194046121 is about 578.9419085956.

The spelling of 194046121 in words is "one hundred ninety-four million, forty-six thousand, one hundred twenty-one".