130042561 has 8 divisors (see below), whose sum is σ = 144883584. Its totient is φ = 115704720.

The previous prime is 130042553. The next prime is 130042573. The reversal of 130042561 is 165240031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130042561 - 2³ = 130042553 is a prime.

It is a super-2 number, since 2×130042561² = 33822135342877442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130042501) 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 7 ways as a sum of consecutive naturals, for example, 125250 + ... + 126283.

It is an arithmetic number, because the mean of its divisors is an integer number (18110448).

Almost surely, 2^130042561 is an apocalyptic number.

130042561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130042561 is a deficient number, since it is larger than the sum of its proper divisors (14841023).

130042561 is a wasteful number, since it uses less digits than its factorization.

130042561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251591.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 130042561 is about 11403.6205215712. The cubic root of 130042561 is about 506.6349793106.

Adding to 130042561 its reverse (165240031), we get a palindrome (295282592).

The spelling of 130042561 in words is "one hundred thirty million, forty-two thousand, five hundred sixty-one".