122601005 has 4 divisors (see below), whose sum is σ = 147121212. Its totient is φ = 98080800.

The previous prime is 122600993. The next prime is 122601007. The reversal of 122601005 is 500106221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500106221 = 17 ⋅29418013.

It can be written as a sum of positive squares in 2 ways, for example, as 76930441 + 45670564 = 8771^2 + 6758^2 .

It is not a de Polignac number, because 122601005 - 2⁶ = 122600941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122601007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12260096 + ... + 12260105.

It is an arithmetic number, because the mean of its divisors is an integer number (36780303).

Almost surely, 2^122601005 is an apocalyptic number.

It is an amenable number.

122601005 is a deficient number, since it is larger than the sum of its proper divisors (24520207).

122601005 is an equidigital number, since it uses as much as digits as its factorization.

122601005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24520206.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 122601005 is about 11072.5338111924. The cubic root of 122601005 is about 496.7806561380.

Adding to 122601005 its reverse (500106221), we get a palindrome (622707226).

The spelling of 122601005 in words is "one hundred twenty-two million, six hundred one thousand, five".