122541 has 4 divisors (see below), whose sum is σ = 163392. Its totient is φ = 81692.

The previous prime is 122533. The next prime is 122557. The reversal of 122541 is 145221.

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, and also an emirpimes, since its reverse is a distinct semiprime: 145221 = 3 ⋅48407.

It is a cyclic number.

It is not a de Polignac number, because 122541 - 2³ = 122533 is a prime.

It is a D-number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122501) 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, 20421 + ... + 20426.

It is an arithmetic number, because the mean of its divisors is an integer number (40848).

2¹²²⁵⁴¹ is an apocalyptic number.

It is an amenable number.

122541 is a deficient number, since it is larger than the sum of its proper divisors (40851).

122541 is an equidigital number, since it uses as much as digits as its factorization.

122541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40850.

The product of its digits is 80, while the sum is 15.

The square root of 122541 is about 350.0585665285. The cubic root of 122541 is about 49.6699595933.

Adding to 122541 its reverse (145221), we get a palindrome (267762).

The spelling of 122541 in words is "one hundred twenty-two thousand, five hundred forty-one".