121234120 has 32 divisors (see below), whose sum is σ = 311745600. Its totient is φ = 41565888.

The previous prime is 121234097. The next prime is 121234121. The reversal of 121234120 is 21432121.

It is a junction number, because it is equal to n+sod(n) for n = 121234094 and 121234103.

It is not an unprimeable number, because it can be changed into a prime (121234121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216210 + ... + 216769.

It is an arithmetic number, because the mean of its divisors is an integer number (9742050).

Almost surely, 2^121234120 is an apocalyptic number.

121234120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121234120 is an abundant number, since it is smaller than the sum of its proper divisors (190511480).

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

121234120 is a wasteful number, since it uses less digits than its factorization.

121234120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432997 (or 432993 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121234120 is about 11010.6366755061. The cubic root of 121234120 is about 494.9275410042.

Adding to 121234120 its reverse (21432121), we get a palindrome (142666241).

The spelling of 121234120 in words is "one hundred twenty-one million, two hundred thirty-four thousand, one hundred twenty".