122122601 has 4 divisors (see below), whose sum is σ = 122150100. Its totient is φ = 122095104.

The previous prime is 122122597. The next prime is 122122613. The reversal of 122122601 is 106221221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106221221 = 31 ⋅3426491.

It can be written as a sum of positive squares in 2 ways, for example, as 83247376 + 38875225 = 9124^2 + 6235^2 .

It is a cyclic number.

It is not a de Polignac number, because 122122601 - 2² = 122122597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122122601.

It is not an unprimeable number, because it can be changed into a prime (122122621) 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, 5396 + ... + 16533.

It is an arithmetic number, because the mean of its divisors is an integer number (30537525).

Almost surely, 2^122122601 is an apocalyptic number.

It is an amenable number.

122122601 is a deficient number, since it is larger than the sum of its proper divisors (27499).

122122601 is an equidigital number, since it uses as much as digits as its factorization.

122122601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27498.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 122122601 is about 11050.9095100811. The cubic root of 122122601 is about 496.1336477023.

Adding to 122122601 its reverse (106221221), we get a palindrome (228343822).

The spelling of 122122601 in words is "one hundred twenty-two million, one hundred twenty-two thousand, six hundred one".