109423025 has 24 divisors (see below), whose sum is σ = 140848128. Its totient is φ = 84240000.

The previous prime is 109422947. The next prime is 109423031. The reversal of 109423025 is 520324901.

It is not a de Polignac number, because 109423025 - 2¹⁶ = 109357489 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 109422985 and 109423003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209765 + ... + 210285.

It is an arithmetic number, because the mean of its divisors is an integer number (5868672).

Almost surely, 2^109423025 is an apocalyptic number.

It is an amenable number.

109423025 is a deficient number, since it is larger than the sum of its proper divisors (31425103).

109423025 is a wasteful number, since it uses less digits than its factorization.

109423025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 109423025 is about 10460.5461138508. The cubic root of 109423025 is about 478.3027805139.

Adding to 109423025 its reverse (520324901), we get a palindrome (629747926).

The spelling of 109423025 in words is "one hundred nine million, four hundred twenty-three thousand, twenty-five".