194120492 has 24 divisors (see below), whose sum is σ = 358920240. Its totient is φ = 91609920.

The previous prime is 194120489. The next prime is 194120579. The reversal of 194120492 is 294021491.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16442 + ... + 25662.

It is an arithmetic number, because the mean of its divisors is an integer number (14955010).

Almost surely, 2^194120492 is an apocalyptic number.

It is an amenable number.

194120492 is a deficient number, since it is larger than the sum of its proper divisors (164799748).

194120492 is a wasteful number, since it uses less digits than its factorization.

194120492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9521 (or 9519 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 194120492 is about 13932.7130164947. The cubic root of 194120492 is about 579.0158617860.

Subtracting 194120492 from its reverse (294021491), we obtain a palindrome (99900999).

The spelling of 194120492 in words is "one hundred ninety-four million, one hundred twenty thousand, four hundred ninety-two".