121344432 has 40 divisors (see below), whose sum is σ = 341972160. Its totient is φ = 36770880.

The previous prime is 121344407. The next prime is 121344451. The reversal of 121344432 is 234443121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

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, 114382 + ... + 115437.

It is an arithmetic number, because the mean of its divisors is an integer number (8549304).

Almost surely, 2^121344432 is an apocalyptic number.

121344432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121344432 is an abundant number, since it is smaller than the sum of its proper divisors (220627728).

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

121344432 is a wasteful number, since it uses less digits than its factorization.

121344432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229841 (or 229835 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 121344432 is about 11015.6448744502. The cubic root of 121344432 is about 495.0776084825.

Adding to 121344432 its reverse (234443121), we get a palindrome (355787553).

The spelling of 121344432 in words is "one hundred twenty-one million, three hundred forty-four thousand, four hundred thirty-two".