121222104 has 32 divisors (see below), whose sum is σ = 320883120. Its totient is φ = 38030336.

The previous prime is 121222099. The next prime is 121222133. The reversal of 121222104 is 401222121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148149 + ... + 148964.

Almost surely, 2^121222104 is an apocalyptic number.

It is an amenable number.

121222104 is an abundant number, since it is smaller than the sum of its proper divisors (199661016).

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

121222104 is a wasteful number, since it uses less digits than its factorization.

121222104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297139 (or 297135 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 121222104 is about 11010.0910077983. The cubic root of 121222104 is about 494.9111890459.

Adding to 121222104 its reverse (401222121), we get a palindrome (522444225).

The spelling of 121222104 in words is "one hundred twenty-one million, two hundred twenty-two thousand, one hundred four".