130206101 has 4 divisors (see below), whose sum is σ = 130233600. Its totient is φ = 130178604.

The previous prime is 130206079. The next prime is 130206103. The reversal of 130206101 is 101602031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130206101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130206103) 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, 4631 + ... + 16788.

It is an arithmetic number, because the mean of its divisors is an integer number (32558400).

Almost surely, 2^130206101 is an apocalyptic number.

It is an amenable number.

130206101 is a deficient number, since it is larger than the sum of its proper divisors (27499).

130206101 is an equidigital number, since it uses as much as digits as its factorization.

130206101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27498.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 130206101 is about 11410.7887983259. The cubic root of 130206101 is about 506.8472697474.

Adding to 130206101 its reverse (101602031), we get a palindrome (231808132).

The spelling of 130206101 in words is "one hundred thirty million, two hundred six thousand, one hundred one".