121442376 has 192 divisors, whose sum is σ = 367718400. Its totient is φ = 33264000.

The previous prime is 121442359. The next prime is 121442381. The reversal of 121442376 is 673244121.

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 47 ways as a sum of consecutive naturals, for example, 1710421 + ... + 1710491.

It is an arithmetic number, because the mean of its divisors is an integer number (1915200).

Almost surely, 2^121442376 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 121442376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183859200).

121442376 is an abundant number, since it is smaller than the sum of its proper divisors (246276024).

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

121442376 is a wasteful number, since it uses less digits than its factorization.

121442376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152 (or 137 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 121442376 is about 11020.0896548077. The cubic root of 121442376 is about 495.2107744356.

Adding to 121442376 its reverse (673244121), we get a palindrome (794686497).

The spelling of 121442376 in words is "one hundred twenty-one million, four hundred forty-two thousand, three hundred seventy-six".