121322342 has 4 divisors (see below), whose sum is σ = 181983516. Its totient is φ = 60661170.

The previous prime is 121322339. The next prime is 121322347. The reversal of 121322342 is 243223121.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×121322342² = 29438221336729928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121322347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30330584 + ... + 30330587.

It is an arithmetic number, because the mean of its divisors is an integer number (45495879).

Almost surely, 2^121322342 is an apocalyptic number.

121322342 is a deficient number, since it is larger than the sum of its proper divisors (60661174).

121322342 is an equidigital number, since it uses as much as digits as its factorization.

121322342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60661173.

The product of its digits is 576, while the sum is 20.

The square root of 121322342 is about 11014.6421639561. The cubic root of 121322342 is about 495.0475647250.

Adding to 121322342 its reverse (243223121), we get a palindrome (364545463).

The spelling of 121322342 in words is "one hundred twenty-one million, three hundred twenty-two thousand, three hundred forty-two".