109541461 has 4 divisors (see below), whose sum is σ = 109565632. Its totient is φ = 109517292.

The previous prime is 109541459. The next prime is 109541473. The reversal of 109541461 is 164145901.

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 3-Lehmer number, since φ(109541461) divides (109541461-1)³.

It is a cyclic number.

It is not a de Polignac number, because 109541461 - 2¹ = 109541459 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 (109541401) 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, 3021 + ... + 15106.

It is an arithmetic number, because the mean of its divisors is an integer number (27391408).

It is a Poulet number, since it divides 2^109541460-1.

Almost surely, 2^109541461 is an apocalyptic number.

109541461 is the 6043-rd octagonal number.

It is an amenable number.

109541461 is a deficient number, since it is larger than the sum of its proper divisors (24171).

109541461 is an equidigital number, since it uses as much as digits as its factorization.

109541461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24170.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 109541461 is about 10466.2056639453. The cubic root of 109541461 is about 478.4752848605.

The spelling of 109541461 in words is "one hundred nine million, five hundred forty-one thousand, four hundred sixty-one".