302120142 has 16 divisors (see below), whose sum is σ = 605331792. Its totient is φ = 100524800.

The previous prime is 302120113. The next prime is 302120153. The reversal of 302120142 is 241021203.

302120142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 41859 + ... + 48542.

It is an arithmetic number, because the mean of its divisors is an integer number (37833237).

Almost surely, 2^302120142 is an apocalyptic number.

302120142 is an abundant number, since it is smaller than the sum of its proper divisors (303211650).

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

302120142 is a wasteful number, since it uses less digits than its factorization.

302120142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90963.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 302120142 is about 17381.6035508810. The cubic root of 302120142 is about 671.0062417843.

Adding to 302120142 its reverse (241021203), we get a palindrome (543141345).

The spelling of 302120142 in words is "three hundred two million, one hundred twenty thousand, one hundred forty-two".