109127790 has 32 divisors (see below), whose sum is σ = 291008160. Its totient is φ = 29100672.

The previous prime is 109127747. The next prime is 109127827. The reversal of 109127790 is 97721901.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 201819 + ... + 202358.

It is an arithmetic number, because the mean of its divisors is an integer number (9094005).

Almost surely, 2^109127790 is an apocalyptic number.

109127790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109127790 is an abundant number, since it is smaller than the sum of its proper divisors (181880370).

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

109127790 is a wasteful number, since it uses less digits than its factorization.

109127790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404193 (or 404187 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 109127790 is about 10446.4247472520. The cubic root of 109127790 is about 477.8722224007.

The spelling of 109127790 in words is "one hundred nine million, one hundred twenty-seven thousand, seven hundred ninety".