109051 has 4 divisors (see below), whose sum is σ = 109872. Its totient is φ = 108232.

The previous prime is 109049. The next prime is 109063. The reversal of 109051 is 150901.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 109051 - 2¹ = 109049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109001) 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, 160 + ... + 493.

It is an arithmetic number, because the mean of its divisors is an integer number (27468).

2¹⁰⁹⁰⁵¹ is an apocalyptic number.

109051 is a deficient number, since it is larger than the sum of its proper divisors (821).

109051 is an equidigital number, since it uses as much as digits as its factorization.

109051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 109051 is about 330.2287086248. The cubic root of 109051 is about 47.7760107914.

Adding to 109051 its reverse (150901), we get a palindrome (259952).

The spelling of 109051 in words is "one hundred nine thousand, fifty-one".