109289873 has 8 divisors (see below), whose sum is σ = 136257600. Its totient is φ = 85160880.

The previous prime is 109289867. The next prime is 109289891. The reversal of 109289873 is 378982901.

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

It is not a de Polignac number, because 109289873 - 2¹⁸ = 109027729 is a prime.

It is a super-2 number, since 2×109289873² = 23888552680712258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109289473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709598 + ... + 709751.

It is an arithmetic number, because the mean of its divisors is an integer number (17032200).

Almost surely, 2^109289873 is an apocalyptic number.

It is an amenable number.

109289873 is a deficient number, since it is larger than the sum of its proper divisors (26967727).

109289873 is a wasteful number, since it uses less digits than its factorization.

109289873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419367.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 109289873 is about 10454.1796904396. The cubic root of 109289873 is about 478.1086933251.

It can be divided in two parts, 109 and 289873, that added together give a palindrome (289982).

The spelling of 109289873 in words is "one hundred nine million, two hundred eighty-nine thousand, eight hundred seventy-three".