121303342 has 4 divisors (see below), whose sum is σ = 181955016. Its totient is φ = 60651670.

The previous prime is 121303339. The next prime is 121303349. The reversal of 121303342 is 243303121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243303121 = 1759 ⋅138319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121303349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30325834 + ... + 30325837.

It is an arithmetic number, because the mean of its divisors is an integer number (45488754).

Almost surely, 2^121303342 is an apocalyptic number.

121303342 is a deficient number, since it is larger than the sum of its proper divisors (60651674).

121303342 is an equidigital number, since it uses as much as digits as its factorization.

121303342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60651673.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 121303342 is about 11013.7796418850. The cubic root of 121303342 is about 495.0217206399.

Adding to 121303342 its reverse (243303121), we get a palindrome (364606463).

The spelling of 121303342 in words is "one hundred twenty-one million, three hundred three thousand, three hundred forty-two".