121502223 has 12 divisors (see below), whose sum is σ = 176475208. Its totient is φ = 80552880.

The previous prime is 121502221. The next prime is 121502231. The reversal of 121502223 is 322205121.

It is not a de Polignac number, because 121502223 - 2¹ = 121502221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121502196 and 121502205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121502221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35665 + ... + 38922.

Almost surely, 2^121502223 is an apocalyptic number.

121502223 is a deficient number, since it is larger than the sum of its proper divisors (54972985).

121502223 is a wasteful number, since it uses less digits than its factorization.

121502223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74774 (or 74771 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 121502223 is about 11022.8046793908. The cubic root of 121502223 is about 495.2921079677.

Adding to 121502223 its reverse (322205121), we get a palindrome (443707344).

The spelling of 121502223 in words is "one hundred twenty-one million, five hundred two thousand, two hundred twenty-three".