122533815 has 8 divisors (see below), whose sum is σ = 196054128. Its totient is φ = 65351360.

The previous prime is 122533777. The next prime is 122533837. The reversal of 122533815 is 518335221.

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

It is not a de Polignac number, because 122533815 - 2¹⁰ = 122532791 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4084446 + ... + 4084475.

It is an arithmetic number, because the mean of its divisors is an integer number (24506766).

Almost surely, 2^122533815 is an apocalyptic number.

122533815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122533815 is a deficient number, since it is larger than the sum of its proper divisors (73520313).

122533815 is an equidigital number, since it uses as much as digits as its factorization.

122533815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8168929.

The product of its digits is 7200, while the sum is 30.

The square root of 122533815 is about 11069.4993111703. The cubic root of 122533815 is about 496.6898880084.

The spelling of 122533815 in words is "one hundred twenty-two million, five hundred thirty-three thousand, eight hundred fifteen".