109820542 has 16 divisors (see below), whose sum is σ = 177705360. Its totient is φ = 50599872.

The previous prime is 109820533. The next prime is 109820563. The reversal of 109820542 is 245028901.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13434 + ... + 20002.

It is an arithmetic number, because the mean of its divisors is an integer number (11106585).

Almost surely, 2^109820542 is an apocalyptic number.

109820542 is a deficient number, since it is larger than the sum of its proper divisors (67884818).

109820542 is a wasteful number, since it uses less digits than its factorization.

109820542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7227.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 109820542 is about 10479.5296650184. The cubic root of 109820542 is about 478.8812806607.

The spelling of 109820542 in words is "one hundred nine million, eight hundred twenty thousand, five hundred forty-two".