130203105 has 32 divisors (see below), whose sum is σ = 220022400. Its totient is φ = 65567232.

The previous prime is 130203089. The next prime is 130203121. The reversal of 130203105 is 501302031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (130203089) and next prime (130203121).

It is not a de Polignac number, because 130203105 - 2⁴ = 130203089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116007 + ... + 117123.

It is an arithmetic number, because the mean of its divisors is an integer number (6875700).

Almost surely, 2^130203105 is an apocalyptic number.

130203105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130203105 is a deficient number, since it is larger than the sum of its proper divisors (89819295).

130203105 is a wasteful number, since it uses less digits than its factorization.

130203105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 130203105 is about 11410.6575183028. The cubic root of 130203105 is about 506.8433822540.

Adding to 130203105 its reverse (501302031), we get a palindrome (631505136).

The spelling of 130203105 in words is "one hundred thirty million, two hundred three thousand, one hundred five".