122023155 has 16 divisors (see below), whose sum is σ = 201970080. Its totient is φ = 62834688.

The previous prime is 122023133. The next prime is 122023159. The reversal of 122023155 is 551320221.

It is not a de Polignac number, because 122023155 - 2⁹ = 122022643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122023159) 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 15 ways as a sum of consecutive naturals, for example, 139822 + ... + 140691.

It is an arithmetic number, because the mean of its divisors is an integer number (12623130).

Almost surely, 2^122023155 is an apocalyptic number.

122023155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122023155 is a deficient number, since it is larger than the sum of its proper divisors (79946925).

122023155 is a wasteful number, since it uses less digits than its factorization.

122023155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280550.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 122023155 is about 11046.4091450570. The cubic root of 122023155 is about 495.9989418010.

Adding to 122023155 its reverse (551320221), we get a palindrome (673343376).

The spelling of 122023155 in words is "one hundred twenty-two million, twenty-three thousand, one hundred fifty-five".