122043155 has 16 divisors (see below), whose sum is σ = 159257280. Its totient is φ = 89244288.

The previous prime is 122043151. The next prime is 122043157. The reversal of 122043155 is 551340221.

It is a cyclic number.

It is not a de Polignac number, because 122043155 - 2² = 122043151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122043155.

It is not an unprimeable number, because it can be changed into a prime (122043151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2420 + ... + 15809.

It is an arithmetic number, because the mean of its divisors is an integer number (9953580).

Almost surely, 2^122043155 is an apocalyptic number.

122043155 is a deficient number, since it is larger than the sum of its proper divisors (37214125).

122043155 is a wasteful number, since it uses less digits than its factorization.

122043155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18350.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 122043155 is about 11047.3143795223. The cubic root of 122043155 is about 496.0260389447.

Adding to 122043155 its reverse (551340221), we get a palindrome (673383376).

The spelling of 122043155 in words is "one hundred twenty-two million, forty-three thousand, one hundred fifty-five".