121030223 has 4 divisors (see below), whose sum is σ = 121077000. Its totient is φ = 120983448.

The previous prime is 121030213. The next prime is 121030241. The reversal of 121030223 is 322030121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121030223 - 2⁸ = 121029967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121030198 and 121030207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121030213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19265 + ... + 24762.

It is an arithmetic number, because the mean of its divisors is an integer number (30269250).

Almost surely, 2^121030223 is an apocalyptic number.

121030223 is a deficient number, since it is larger than the sum of its proper divisors (46777).

121030223 is an equidigital number, since it uses as much as digits as its factorization.

121030223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46776.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 121030223 is about 11001.3736869538. The cubic root of 121030223 is about 494.6499215030.

Adding to 121030223 its reverse (322030121), we get a palindrome (443060344).

The spelling of 121030223 in words is "one hundred twenty-one million, thirty thousand, two hundred twenty-three".