109125632 has 112 divisors (see below), whose sum is σ = 273661632. Its totient is φ = 42270720.

The previous prime is 109125631. The next prime is 109125671. The reversal of 109125632 is 236521901.

It is a tau number, because it is divible by the number of its divisors (112).

It is a junction number, because it is equal to n+sod(n) for n = 109125595 and 109125604.

It is not an unprimeable number, because it can be changed into a prime (109125631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630698 + ... + 630870.

Almost surely, 2^109125632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109125632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136830816).

109125632 is an abundant number, since it is smaller than the sum of its proper divisors (164536000).

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

109125632 is an equidigital number, since it uses as much as digits as its factorization.

109125632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 109125632 is about 10446.3214578147. The cubic root of 109125632 is about 477.8690724085.

The spelling of 109125632 in words is "one hundred nine million, one hundred twenty-five thousand, six hundred thirty-two".