130672261 has 2 divisors, whose sum is σ = 130672262. Its totient is φ = 130672260.

The previous prime is 130672259. The next prime is 130672303. The reversal of 130672261 is 162276031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126135361 + 4536900 = 11231^2 + 2130^2 .

It is an emirp because it is prime and its reverse (162276031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130672261 - 2¹ = 130672259 is a prime.

It is a super-3 number, since 3×130672261³ (a number of 25 digits) contains 333 as substring.

Together with 130672259, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130672561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65336130 + 65336131.

It is an arithmetic number, because the mean of its divisors is an integer number (65336131).

Almost surely, 2^130672261 is an apocalyptic number.

It is an amenable number.

130672261 is a deficient number, since it is larger than the sum of its proper divisors (1).

130672261 is an equidigital number, since it uses as much as digits as its factorization.

130672261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 130672261 is about 11431.1968314783. The cubic root of 130672261 is about 507.4514158317.

The spelling of 130672261 in words is "one hundred thirty million, six hundred seventy-two thousand, two hundred sixty-one".