109047842 has 8 divisors (see below), whose sum is σ = 164041500. Its totient is φ = 54367344.

The previous prime is 109047833. The next prime is 109047893. The reversal of 109047842 is 248740901.

It can be written as a sum of positive squares in 2 ways, for example, as 105288121 + 3759721 = 10261^2 + 1939^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77417 + ... + 78812.

Almost surely, 2^109047842 is an apocalyptic number.

109047842 is a deficient number, since it is larger than the sum of its proper divisors (54993658).

109047842 is a wasteful number, since it uses less digits than its factorization.

109047842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156580.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 109047842 is about 10442.5974738089. The cubic root of 109047842 is about 477.7554960624.

The spelling of 109047842 in words is "one hundred nine million, forty-seven thousand, eight hundred forty-two".