122133155 has 4 divisors (see below), whose sum is σ = 146559792. Its totient is φ = 97706520.

The previous prime is 122133133. The next prime is 122133203. The reversal of 122133155 is 551331221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551331221 = 7 ⋅78761603.

It is not a de Polignac number, because 122133155 - 2⁶ = 122133091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122133155.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12213311 + ... + 12213320.

It is an arithmetic number, because the mean of its divisors is an integer number (36639948).

Almost surely, 2^122133155 is an apocalyptic number.

122133155 is a deficient number, since it is larger than the sum of its proper divisors (24426637).

122133155 is an equidigital number, since it uses as much as digits as its factorization.

122133155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24426636.

The product of its digits is 900, while the sum is 23.

The square root of 122133155 is about 11051.3870170219. The cubic root of 122133155 is about 496.1479394704.

Adding to 122133155 its reverse (551331221), we get a palindrome (673464376).

The spelling of 122133155 in words is "one hundred twenty-two million, one hundred thirty-three thousand, one hundred fifty-five".