122441521 has 4 divisors (see below), whose sum is σ = 123252544. Its totient is φ = 121630500.

The previous prime is 122441519. The next prime is 122441551. The reversal of 122441521 is 125144221.

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 not a de Polignac number, because 122441521 - 2¹ = 122441519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122441492 and 122441501.

It is not an unprimeable number, because it can be changed into a prime (122441551) 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, 405285 + ... + 405586.

It is an arithmetic number, because the mean of its divisors is an integer number (30813136).

Almost surely, 2^122441521 is an apocalyptic number.

It is an amenable number.

122441521 is a deficient number, since it is larger than the sum of its proper divisors (811023).

122441521 is an equidigital number, since it uses as much as digits as its factorization.

122441521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811022.

The product of its digits is 640, while the sum is 22.

The square root of 122441521 is about 11065.3296832946. The cubic root of 122441521 is about 496.5651523431.

Adding to 122441521 its reverse (125144221), we get a palindrome (247585742).

The spelling of 122441521 in words is "one hundred twenty-two million, four hundred forty-one thousand, five hundred twenty-one".