121223030 has 16 divisors (see below), whose sum is σ = 218339280. Its totient is φ = 48458592.

The previous prime is 121223029. The next prime is 121223071. The reversal of 121223030 is 30322121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121222996 and 121223014.

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, 19661 + ... + 25079.

It is an arithmetic number, because the mean of its divisors is an integer number (13646205).

Almost surely, 2^121223030 is an apocalyptic number.

121223030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121223030 is a deficient number, since it is larger than the sum of its proper divisors (97116250).

121223030 is a wasteful number, since it uses less digits than its factorization.

121223030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7663.

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

The square root of 121223030 is about 11010.1330600497. The cubic root of 121223030 is about 494.9124492303.

Adding to 121223030 its reverse (30322121), we get a palindrome (151545151).

Subtracting from 121223030 its reverse (30322121), we obtain a palindrome (90900909).

It can be divided in two parts, 1212 and 23030, that added together give a palindrome (24242).

The spelling of 121223030 in words is "one hundred twenty-one million, two hundred twenty-three thousand, thirty".