192716121 has 16 divisors (see below), whose sum is σ = 282610944. Its totient is φ = 116070144.

The previous prime is 192716101. The next prime is 192716129. The reversal of 192716121 is 121617291.

It is not a de Polignac number, because 192716121 - 2⁵ = 192716089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (192716129) 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 15 ways as a sum of consecutive naturals, for example, 50736 + ... + 54401.

It is an arithmetic number, because the mean of its divisors is an integer number (17663184).

Almost surely, 2^192716121 is an apocalyptic number.

It is an amenable number.

192716121 is a deficient number, since it is larger than the sum of its proper divisors (89894823).

192716121 is a wasteful number, since it uses less digits than its factorization.

192716121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105200.

The product of its digits is 1512, while the sum is 30.

The square root of 192716121 is about 13882.2232009142. The cubic root of 192716121 is about 577.6161779720.

The spelling of 192716121 in words is "one hundred ninety-two million, seven hundred sixteen thousand, one hundred twenty-one".