109192942 has 4 divisors (see below), whose sum is σ = 163789416. Its totient is φ = 54596470.

The previous prime is 109192927. The next prime is 109192969. The reversal of 109192942 is 249291901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 249291901 = 47 ⋅5304083.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 27298234 + ... + 27298237.

It is an arithmetic number, because the mean of its divisors is an integer number (40947354).

Almost surely, 2^109192942 is an apocalyptic number.

109192942 is a deficient number, since it is larger than the sum of its proper divisors (54596474).

109192942 is an equidigital number, since it uses as much as digits as its factorization.

109192942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54596473.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 109192942 is about 10449.5426694186. The cubic root of 109192942 is about 477.9673040082.

It can be divided in two parts, 10919 and 2942, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 109192942 in words is "one hundred nine million, one hundred ninety-two thousand, nine hundred forty-two".