121300432 has 40 divisors (see below), whose sum is σ = 258778080. Its totient is φ = 54622080.

The previous prime is 121300429. The next prime is 121300441. The reversal of 121300432 is 234003121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 16023 + ... + 22345.

It is an arithmetic number, because the mean of its divisors is an integer number (6469452).

Almost surely, 2^121300432 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 121300432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129389040).

121300432 is an abundant number, since it is smaller than the sum of its proper divisors (137477648).

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

121300432 is a wasteful number, since it uses less digits than its factorization.

121300432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6451 (or 6445 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 121300432 is about 11013.6475338554. The cubic root of 121300432 is about 495.0177621759.

Adding to 121300432 its reverse (234003121), we get a palindrome (355303553).

The spelling of 121300432 in words is "one hundred twenty-one million, three hundred thousand, four hundred thirty-two".