122021536 has 48 divisors (see below), whose sum is σ = 295674624. Its totient is φ = 48271104.

The previous prime is 122021527. The next prime is 122021561. The reversal of 122021536 is 635120221.

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, 18040 + ... + 23863.

It is an arithmetic number, because the mean of its divisors is an integer number (6159888).

Almost surely, 2^122021536 is an apocalyptic number.

122021536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122021536 is an abundant number, since it is smaller than the sum of its proper divisors (173653088).

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

122021536 is a wasteful number, since it uses less digits than its factorization.

122021536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41933 (or 41925 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 122021536 is about 11046.3358630815. The cubic root of 122021536 is about 495.9967481577.

Adding to 122021536 its reverse (635120221), we get a palindrome (757141757).

The spelling of 122021536 in words is "one hundred twenty-two million, twenty-one thousand, five hundred thirty-six".