122522401 has 4 divisors (see below), whose sum is σ = 122613012. Its totient is φ = 122431792.

The previous prime is 122522381. The next prime is 122522423. The reversal of 122522401 is 104225221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104225221 = 283 ⋅368287.

It can be written as a sum of positive squares in 2 ways, for example, as 98010000 + 24512401 = 9900^2 + 4951^2 .

It is a cyclic number.

It is not a de Polignac number, because 122522401 - 2¹³ = 122514209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122522441) 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, 43246 + ... + 45991.

It is an arithmetic number, because the mean of its divisors is an integer number (30653253).

Almost surely, 2^122522401 is an apocalyptic number.

It is an amenable number.

122522401 is a deficient number, since it is larger than the sum of its proper divisors (90611).

122522401 is an equidigital number, since it uses as much as digits as its factorization.

122522401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90610.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 122522401 is about 11068.9837383565. The cubic root of 122522401 is about 496.6744653421.

Adding to 122522401 its reverse (104225221), we get a palindrome (226747622).

The spelling of 122522401 in words is "one hundred twenty-two million, five hundred twenty-two thousand, four hundred one".