109187268 has 24 divisors (see below), whose sum is σ = 258262368. Its totient is φ = 35896896.

The previous prime is 109187257. The next prime is 109187293. The reversal of 109187268 is 862781901.

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, 61446 + ... + 63197.

It is an arithmetic number, because the mean of its divisors is an integer number (10760932).

Almost surely, 2^109187268 is an apocalyptic number.

It is an amenable number.

109187268 is an abundant number, since it is smaller than the sum of its proper divisors (149075100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109187268 is a wasteful number, since it uses less digits than its factorization.

109187268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124723 (or 124721 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 109187268 is about 10449.2711707564. The cubic root of 109187268 is about 477.9590249827.

The spelling of 109187268 in words is "one hundred nine million, one hundred eighty-seven thousand, two hundred sixty-eight".