109256 has 16 divisors (see below), whose sum is σ = 234240. Its totient is φ = 46800.

The previous prime is 109253. The next prime is 109267. The reversal of 109256 is 652901.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 15.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 109256.

It is not an unprimeable number, because it can be changed into a prime (109253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920 + ... + 1031.

It is an arithmetic number, because the mean of its divisors is an integer number (14640).

2¹⁰⁹²⁵⁶ is an apocalyptic number.

It is an amenable number.

109256 is an abundant number, since it is smaller than the sum of its proper divisors (124984).

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

109256 is a wasteful number, since it uses less digits than its factorization.

109256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964 (or 1960 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 109256 is about 330.5389538315. The cubic root of 109256 is about 47.8059293661.

The spelling of 109256 in words is "one hundred nine thousand, two hundred fifty-six".