109123770 has 64 divisors (see below), whose sum is σ = 301086720. Its totient is φ = 24794688.

The previous prime is 109123769. The next prime is 109123811. The reversal of 109123770 is 77321901.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon 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 31 ways as a sum of consecutive naturals, for example, 36139 + ... + 39041.

It is an arithmetic number, because the mean of its divisors is an integer number (4704480).

Almost surely, 2^109123770 is an apocalyptic number.

109123770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 109123770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150543360).

109123770 is an abundant number, since it is smaller than the sum of its proper divisors (191962950).

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

109123770 is a wasteful number, since it uses less digits than its factorization.

109123770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3099.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 109123770 is about 10446.2323351532. The cubic root of 109123770 is about 477.8663544486.

The spelling of 109123770 in words is "one hundred nine million, one hundred twenty-three thousand, seven hundred seventy".