342127 has 4 divisors (see below), whose sum is σ = 343440. Its totient is φ = 340816.

The previous prime is 342107. The next prime is 342131. The reversal of 342127 is 721243.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 342127 - 2¹¹ = 340079 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118 + ... + 835.

It is an arithmetic number, because the mean of its divisors is an integer number (85860).

2³⁴²¹²⁷ is an apocalyptic number.

342127 is a deficient number, since it is larger than the sum of its proper divisors (1313).

342127 is an equidigital number, since it uses as much as digits as its factorization.

342127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312.

The product of its digits is 336, while the sum is 19.

The square root of 342127 is about 584.9162333189. The cubic root of 342127 is about 69.9405617892.

It can be divided in two parts, 342 and 127, that multiplied together give a palindrome (43434).

The spelling of 342127 in words is "three hundred forty-two thousand, one hundred twenty-seven", and thus it is an iban number.