122620441 has 4 divisors (see below), whose sum is σ = 123298084. Its totient is φ = 121942800.

The previous prime is 122620411. The next prime is 122620447. The reversal of 122620441 is 144026221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144026221 = 43 ⋅3349447.

It can be written as a sum of positive squares in 2 ways, for example, as 33884041 + 88736400 = 5821^2 + 9420^2 .

It is a cyclic number.

It is not a de Polignac number, because 122620441 - 2⁵ = 122620409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122620447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338550 + ... + 338911.

It is an arithmetic number, because the mean of its divisors is an integer number (30824521).

Almost surely, 2^122620441 is an apocalyptic number.

It is an amenable number.

122620441 is a deficient number, since it is larger than the sum of its proper divisors (677643).

122620441 is an equidigital number, since it uses as much as digits as its factorization.

122620441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677642.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 122620441 is about 11073.4114436338. The cubic root of 122620441 is about 496.8069063813.

Adding to 122620441 its reverse (144026221), we get a palindrome (266646662).

The spelling of 122620441 in words is "one hundred twenty-two million, six hundred twenty thousand, four hundred forty-one".