122201245 has 8 divisors (see below), whose sum is σ = 147452760. Its totient is φ = 97220160.

The previous prime is 122201243. The next prime is 122201257. The reversal of 122201245 is 542102221.

It can be written as a sum of positive squares in 4 ways, for example, as 7518564 + 114682681 = 2742^2 + 10709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122201245 - 2¹ = 122201243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122201243) 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 7 ways as a sum of consecutive naturals, for example, 66610 + ... + 68419.

It is an arithmetic number, because the mean of its divisors is an integer number (18431595).

Almost surely, 2^122201245 is an apocalyptic number.

It is an amenable number.

122201245 is a deficient number, since it is larger than the sum of its proper divisors (25251515).

122201245 is a wasteful number, since it uses less digits than its factorization.

122201245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135215.

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

The square root of 122201245 is about 11054.4671965681. The cubic root of 122201245 is about 496.2401242041.

Adding to 122201245 its reverse (542102221), we get a palindrome (664303466).

The spelling of 122201245 in words is "one hundred twenty-two million, two hundred one thousand, two hundred forty-five".