340420101 has 24 divisors (see below), whose sum is σ = 534379104. Its totient is φ = 192175200.

The previous prime is 340420081. The next prime is 340420123. The reversal of 340420101 is 101024043.

It is not a de Polignac number, because 340420101 - 2⁶ = 340420037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340420181) 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 23 ways as a sum of consecutive naturals, for example, 1750 + ... + 26151.

It is an arithmetic number, because the mean of its divisors is an integer number (22265796).

Almost surely, 2^340420101 is an apocalyptic number.

It is an amenable number.

340420101 is a deficient number, since it is larger than the sum of its proper divisors (193959003).

340420101 is a wasteful number, since it uses less digits than its factorization.

340420101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28001 (or 27994 counting only the distinct ones).

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

The square root of 340420101 is about 18450.4769857042. The cubic root of 340420101 is about 698.2405479842.

Adding to 340420101 its reverse (101024043), we get a palindrome (441444144).

The spelling of 340420101 in words is "three hundred forty million, four hundred twenty thousand, one hundred one".