342120001 has 4 divisors (see below), whose sum is σ = 342162900. Its totient is φ = 342077104.

The previous prime is 342119971. The next prime is 342120011. The reversal of 342120001 is 100021243.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100021243 = 7 ⋅14288749.

It can be written as a sum of positive squares in 2 ways, for example, as 187142400 + 154977601 = 13680^2 + 12449^2 .

It is a cyclic number.

It is not a de Polignac number, because 342120001 - 2⁹ = 342119489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342120011) 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, 5566 + ... + 26743.

It is an arithmetic number, because the mean of its divisors is an integer number (85540725).

Almost surely, 2^342120001 is an apocalyptic number.

It is an amenable number.

342120001 is a deficient number, since it is larger than the sum of its proper divisors (42899).

342120001 is a wasteful number, since it uses less digits than its factorization.

342120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42898.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 342120001 is about 18496.4861798126. The cubic root of 342120001 is about 699.4008485387.

Adding to 342120001 its reverse (100021243), we get a palindrome (442141244).

The spelling of 342120001 in words is "three hundred forty-two million, one hundred twenty thousand, one".