122201155 has 8 divisors (see below), whose sum is σ = 147697200. Its totient is φ = 97057056.

The previous prime is 122201143. The next prime is 122201173. The reversal of 122201155 is 551102221.

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

It is a cyclic number.

It is not a de Polignac number, because 122201155 - 2⁹ = 122200643 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87220 + ... + 88609.

It is an arithmetic number, because the mean of its divisors is an integer number (18462150).

Almost surely, 2^122201155 is an apocalyptic number.

122201155 is a deficient number, since it is larger than the sum of its proper divisors (25496045).

122201155 is a wasteful number, since it uses less digits than its factorization.

122201155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175973.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 122201155 is about 11054.4631258148. The cubic root of 122201155 is about 496.2400023788.

Adding to 122201155 its reverse (551102221), we get a palindrome (673303376).

The spelling of 122201155 in words is "one hundred twenty-two million, two hundred one thousand, one hundred fifty-five".