121434300 has 216 divisors, whose sum is σ = 418004496. Its totient is φ = 29306880.

The previous prime is 121434233. The next prime is 121434317. The reversal of 121434300 is 3434121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1134847 + ... + 1134953.

It is an arithmetic number, because the mean of its divisors is an integer number (1935206).

Almost surely, 2^121434300 is an apocalyptic number.

121434300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121434300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209002248).

121434300 is an abundant number, since it is smaller than the sum of its proper divisors (296570196).

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

121434300 is a wasteful number, since it uses less digits than its factorization.

121434300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 121434300 is about 11019.7232270144. The cubic root of 121434300 is about 495.1997969086.

Adding to 121434300 its reverse (3434121), we get a palindrome (124868421).

The spelling of 121434300 in words is "one hundred twenty-one million, four hundred thirty-four thousand, three hundred".