122042155 has 8 divisors (see below), whose sum is σ = 146653200. Its totient is φ = 97498656.

The previous prime is 122042153. The next prime is 122042227. The reversal of 122042155 is 551240221.

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 122042155 - 2¹ = 122042153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122042153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12820 + ... + 20209.

It is an arithmetic number, because the mean of its divisors is an integer number (18331650).

Almost surely, 2^122042155 is an apocalyptic number.

122042155 is a deficient number, since it is larger than the sum of its proper divisors (24611045).

122042155 is an equidigital number, since it uses as much as digits as its factorization.

122042155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33773.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 122042155 is about 11047.2691195607. The cubic root of 122042155 is about 496.0246841579.

Adding to 122042155 its reverse (551240221), we get a palindrome (673282376).

The spelling of 122042155 in words is "one hundred twenty-two million, forty-two thousand, one hundred fifty-five".