109133025 has 24 divisors (see below), whose sum is σ = 182232384. Its totient is φ = 57624000.

The previous prime is 109133023. The next prime is 109133033. The reversal of 109133025 is 520331901.

It is a happy number.

It is not a de Polignac number, because 109133025 - 2¹ = 109133023 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 109132986 and 109133004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109133023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 372 + ... + 14778.

It is an arithmetic number, because the mean of its divisors is an integer number (7593016).

Almost surely, 2^109133025 is an apocalyptic number.

109133025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109133025 is a deficient number, since it is larger than the sum of its proper divisors (73099359).

109133025 is a wasteful number, since it uses less digits than its factorization.

109133025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14521 (or 14516 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 109133025 is about 10446.6753084414. The cubic root of 109133025 is about 477.8798636596.

Adding to 109133025 its reverse (520331901), we get a palindrome (629464926).

The spelling of 109133025 in words is "one hundred nine million, one hundred thirty-three thousand, twenty-five".