130606203 has 16 divisors (see below), whose sum is σ = 214328576. Its totient is φ = 68891040.

The previous prime is 130606199. The next prime is 130606237. The reversal of 130606203 is 302606031.

It is not a de Polignac number, because 130606203 - 2² = 130606199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 130606203.

It is not an unprimeable number, because it can be changed into a prime (130606243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238933 + ... + 239478.

It is an arithmetic number, because the mean of its divisors is an integer number (13395536).

Almost surely, 2^130606203 is an apocalyptic number.

130606203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

130606203 is a deficient number, since it is larger than the sum of its proper divisors (83722373).

130606203 is a wasteful number, since it uses less digits than its factorization.

130606203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478434.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 130606203 is about 11428.3070924787. The cubic root of 130606203 is about 507.3658917488.

The spelling of 130606203 in words is "one hundred thirty million, six hundred six thousand, two hundred three".