121434112 has 52 divisors (see below), whose sum is σ = 253593360. Its totient is φ = 58032128.

The previous prime is 121434109. The next prime is 121434151. The reversal of 121434112 is 211434121.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 121434112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93564 + ... + 94852.

Almost surely, 2^121434112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121434112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126796680).

121434112 is an abundant number, since it is smaller than the sum of its proper divisors (132159248).

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

121434112 is an equidigital number, since it uses as much as digits as its factorization.

121434112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336 (or 1314 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 121434112 is about 11019.7146968513. The cubic root of 121434112 is about 495.1995413586.

Adding to 121434112 its reverse (211434121), we get a palindrome (332868233).

Subtracting 121434112 from its reverse (211434121), we obtain a palindrome (90000009).

The spelling of 121434112 in words is "one hundred twenty-one million, four hundred thirty-four thousand, one hundred twelve".