121571222 has 8 divisors (see below), whose sum is σ = 182669256. Its totient is φ = 60681472.

The previous prime is 121571183. The next prime is 121571239. The reversal of 121571222 is 222175121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50603 + ... + 52950.

It is an arithmetic number, because the mean of its divisors is an integer number (22833657).

Almost surely, 2^121571222 is an apocalyptic number.

121571222 is a deficient number, since it is larger than the sum of its proper divisors (61098034).

121571222 is a wasteful number, since it uses less digits than its factorization.

121571222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104142.

The product of its digits is 560, while the sum is 23.

The square root of 121571222 is about 11025.9340647403. The cubic root of 121571222 is about 495.3858461515.

The spelling of 121571222 in words is "one hundred twenty-one million, five hundred seventy-one thousand, two hundred twenty-two".