122304142 has 4 divisors (see below), whose sum is σ = 183456216. Its totient is φ = 61152070.

The previous prime is 122304139. The next prime is 122304151. The reversal of 122304142 is 241403221.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30576034 + ... + 30576037.

It is an arithmetic number, because the mean of its divisors is an integer number (45864054).

Almost surely, 2^122304142 is an apocalyptic number.

122304142 is a deficient number, since it is larger than the sum of its proper divisors (61152074).

122304142 is an equidigital number, since it uses as much as digits as its factorization.

122304142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61152073.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 122304142 is about 11059.1203085960. The cubic root of 122304142 is about 496.3793679982.

Adding to 122304142 its reverse (241403221), we get a palindrome (363707363).

The spelling of 122304142 in words is "one hundred twenty-two million, three hundred four thousand, one hundred forty-two".