234120142 has 8 divisors (see below), whose sum is σ = 357132600. Its totient is φ = 115075944.

The previous prime is 234120137. The next prime is 234120143. The reversal of 234120142 is 241021432.

234120142 = 184² + 185² + ... + 891².

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234120143) 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 in 3 ways as a sum of consecutive naturals, for example, 991917 + ... + 992152.

It is an arithmetic number, because the mean of its divisors is an integer number (44641575).

Almost surely, 2^234120142 is an apocalyptic number.

234120142 is a deficient number, since it is larger than the sum of its proper divisors (123012458).

234120142 is a wasteful number, since it uses less digits than its factorization.

234120142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984130.

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

The square root of 234120142 is about 15300.9850009730. The cubic root of 234120142 is about 616.3294588187.

Adding to 234120142 its reverse (241021432), we get a palindrome (475141574).

The spelling of 234120142 in words is "two hundred thirty-four million, one hundred twenty thousand, one hundred forty-two".