130556101 has 4 divisors (see below), whose sum is σ = 140598892. Its totient is φ = 120513312.

The previous prime is 130556089. The next prime is 130556113. The reversal of 130556101 is 101655031.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (130556089) and next prime (130556113).

It can be written as a sum of positive squares in 2 ways, for example, as 7568001 + 122988100 = 2751^2 + 11090^2 .

It is a cyclic number.

It is not a de Polignac number, because 130556101 - 2¹³ = 130547909 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 (130556161) 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 3 ways as a sum of consecutive naturals, for example, 5021376 + ... + 5021401.

It is an arithmetic number, because the mean of its divisors is an integer number (35149723).

Almost surely, 2^130556101 is an apocalyptic number.

It is an amenable number.

130556101 is a deficient number, since it is larger than the sum of its proper divisors (10042791).

130556101 is a wasteful number, since it uses less digits than its factorization.

130556101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10042790.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 130556101 is about 11426.1148690183. The cubic root of 130556101 is about 507.3010063746.

The spelling of 130556101 in words is "one hundred thirty million, five hundred fifty-six thousand, one hundred one".