122533215 has 32 divisors (see below), whose sum is σ = 229533696. Its totient is φ = 54647040.

The previous prime is 122533189. The next prime is 122533219. The reversal of 122533215 is 512335221.

It is a happy number.

It is not a de Polignac number, because 122533215 - 2¹⁷ = 122402143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122533219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9927 + ... + 18536.

It is an arithmetic number, because the mean of its divisors is an integer number (7172928).

Almost surely, 2^122533215 is an apocalyptic number.

122533215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122533215 is a deficient number, since it is larger than the sum of its proper divisors (107000481).

122533215 is a wasteful number, since it uses less digits than its factorization.

122533215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28519.

The product of its digits is 1800, while the sum is 24.

The square root of 122533215 is about 11069.4722096403. The cubic root of 122533215 is about 496.6890773086.

Adding to 122533215 its reverse (512335221), we get a palindrome (634868436).

The spelling of 122533215 in words is "one hundred twenty-two million, five hundred thirty-three thousand, two hundred fifteen".