122641 has 4 divisors (see below), whose sum is σ = 126900. Its totient is φ = 118384.

The previous prime is 122611. The next prime is 122651. The reversal of 122641 is 146221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103041 + 19600 = 321^2 + 140^2 .

It is a cyclic number.

It is not a de Polignac number, because 122641 - 2⁵ = 122609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122611) 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, 2086 + ... + 2143.

It is an arithmetic number, because the mean of its divisors is an integer number (31725).

2¹²²⁶⁴¹ is an apocalyptic number.

It is an amenable number.

122641 is a deficient number, since it is larger than the sum of its proper divisors (4259).

122641 is an equidigital number, since it uses as much as digits as its factorization.

122641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258.

The product of its digits is 96, while the sum is 16.

The square root of 122641 is about 350.2013706427. The cubic root of 122641 is about 49.6834670329.

Adding to 122641 its reverse (146221), we get a palindrome (268862).

The spelling of 122641 in words is "one hundred twenty-two thousand, six hundred forty-one".