122101601 has 2 divisors, whose sum is σ = 122101602. Its totient is φ = 122101600.

The previous prime is 122101579. The next prime is 122101607. The reversal of 122101601 is 106101221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120978001 + 1123600 = 10999^2 + 1060^2 .

It is an emirp because it is prime and its reverse (106101221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122101601 - 2¹⁰ = 122100577 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122101607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050800 + 61050801.

It is an arithmetic number, because the mean of its divisors is an integer number (61050801).

Almost surely, 2^122101601 is an apocalyptic number.

It is an amenable number.

122101601 is a deficient number, since it is larger than the sum of its proper divisors (1).

122101601 is an equidigital number, since it uses as much as digits as its factorization.

122101601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 122101601 is about 11049.9593211921. The cubic root of 122101601 is about 496.1052079656.

Adding to 122101601 its reverse (106101221), we get a palindrome (228202822).

The spelling of 122101601 in words is "one hundred twenty-two million, one hundred one thousand, six hundred one".