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130097 = 1111827
BaseRepresentation
bin11111110000110001
320121110102
4133300301
513130342
62442145
71051202
oct376061
9217412
10130097
1189820
1263355
13472a6
14355a9
1528832
hex1fc31

130097 has 4 divisors (see below), whose sum is σ = 141936. Its totient is φ = 118260.

The previous prime is 130087. The next prime is 130099. The reversal of 130097 is 790031.

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, and also an emirpimes, since its reverse is a distinct semiprime: 790031 = 1171821.

It is a cyclic number.

It is not a de Polignac number, because 130097 - 28 = 129841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130099) 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, 5903 + ... + 5924.

It is an arithmetic number, because the mean of its divisors is an integer number (35484).

2130097 is an apocalyptic number.

It is an amenable number.

130097 is a deficient number, since it is larger than the sum of its proper divisors (11839).

130097 is a wasteful number, since it uses less digits than its factorization.

130097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11838.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 130097 is about 360.6896172612. The cubic root of 130097 is about 50.6705666050.

The spelling of 130097 in words is "one hundred thirty thousand, ninety-seven".

Divisors: 1 11 11827 130097