109791572 has 12 divisors (see below), whose sum is σ = 209602176. Its totient is φ = 49905240.

The previous prime is 109791533. The next prime is 109791601. The reversal of 109791572 is 275197901.

It is a happy number.

It is a congruent number.

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, 1247588 + ... + 1247675.

It is an arithmetic number, because the mean of its divisors is an integer number (17466848).

Almost surely, 2^109791572 is an apocalyptic number.

It is an amenable number.

109791572 is a deficient number, since it is larger than the sum of its proper divisors (99810604).

109791572 is a wasteful number, since it uses less digits than its factorization.

109791572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495278 (or 2495276 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 41.

The square root of 109791572 is about 10478.1473553296. The cubic root of 109791572 is about 478.8391682880.

The spelling of 109791572 in words is "one hundred nine million, seven hundred ninety-one thousand, five hundred seventy-two".