121501122 has 32 divisors (see below), whose sum is σ = 253653120. Its totient is φ = 38762880.

The previous prime is 121501117. The next prime is 121501139. The reversal of 121501122 is 221105121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8379 + ... + 17697.

It is an arithmetic number, because the mean of its divisors is an integer number (7926660).

Almost surely, 2^121501122 is an apocalyptic number.

121501122 is an abundant number, since it is smaller than the sum of its proper divisors (132151998).

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

121501122 is a wasteful number, since it uses less digits than its factorization.

121501122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9418.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 121501122 is about 11022.7547373603. The cubic root of 121501122 is about 495.2906119231.

Adding to 121501122 its reverse (221105121), we get a palindrome (342606243).

The spelling of 121501122 in words is "one hundred twenty-one million, five hundred one thousand, one hundred twenty-two".