122521008 has 40 divisors (see below), whose sum is σ = 320979456. Its totient is φ = 40264000.

The previous prime is 122520971. The next prime is 122521019. The reversal of 122521008 is 800125221.

It is a happy number.

It is a super-2 number, since 2×122521008² = 30022794802672128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14568 + ... + 21383.

Almost surely, 2^122521008 is an apocalyptic number.

It is an amenable number.

122521008 is an abundant number, since it is smaller than the sum of its proper divisors (198458448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122521008 is a wasteful number, since it uses less digits than its factorization.

122521008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36033 (or 36027 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 122521008 is about 11068.9208146052. The cubic root of 122521008 is about 496.6725830464.

Adding to 122521008 its reverse (800125221), we get a palindrome (922646229).

The spelling of 122521008 in words is "one hundred twenty-two million, five hundred twenty-one thousand, eight".