342106129 has 4 divisors (see below), whose sum is σ = 342707940. Its totient is φ = 341504320.

The previous prime is 342106097. The next prime is 342106133. The reversal of 342106129 is 921601243.

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

It can be written as a sum of positive squares in 2 ways, for example, as 97121025 + 244985104 = 9855^2 + 15652^2 .

It is a cyclic number.

It is not a de Polignac number, because 342106129 - 2⁵ = 342106097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342106097 and 342106106.

It is not an unprimeable number, because it can be changed into a prime (342106159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300052 + ... + 301189.

It is an arithmetic number, because the mean of its divisors is an integer number (85676985).

Almost surely, 2^342106129 is an apocalyptic number.

It is an amenable number.

342106129 is a deficient number, since it is larger than the sum of its proper divisors (601811).

342106129 is an equidigital number, since it uses as much as digits as its factorization.

342106129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601810.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 342106129 is about 18496.1111858682. Note that the first 4 decimals coincide. The cubic root of 342106129 is about 699.3913955011.

The spelling of 342106129 in words is "three hundred forty-two million, one hundred six thousand, one hundred twenty-nine".