109401 has 4 divisors (see below), whose sum is σ = 145872. Its totient is φ = 72932.

The previous prime is 109397. The next prime is 109423. The reversal of 109401 is 104901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 109401 - 2² = 109397 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (109441) 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, 18231 + ... + 18236.

It is an arithmetic number, because the mean of its divisors is an integer number (36468).

2¹⁰⁹⁴⁰¹ is an apocalyptic number.

It is an amenable number.

109401 is a deficient number, since it is larger than the sum of its proper divisors (36471).

109401 is an equidigital number, since it uses as much as digits as its factorization.

109401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36470.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 109401 is about 330.7582198525. The cubic root of 109401 is about 47.8270686947.

The spelling of 109401 in words is "one hundred nine thousand, four hundred one".