130001265 has 12 divisors (see below), whose sum is σ = 225335604. Its totient is φ = 69333984.

The previous prime is 130001257. The next prime is 130001269. The reversal of 130001265 is 562100031.

It can be written as a sum of positive squares in 2 ways, for example, as 40755456 + 89245809 = 6384^2 + 9447^2 .

It is not a de Polignac number, because 130001265 - 2³ = 130001257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130001269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1444414 + ... + 1444503.

It is an arithmetic number, because the mean of its divisors is an integer number (18777967).

Almost surely, 2^130001265 is an apocalyptic number.

130001265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130001265 is a deficient number, since it is larger than the sum of its proper divisors (95334339).

130001265 is a wasteful number, since it uses less digits than its factorization.

130001265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888928 (or 2888925 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 130001265 is about 11401.8097247762. The cubic root of 130001265 is about 506.5813450415.

Adding to 130001265 its reverse (562100031), we get a palindrome (692101296).

The spelling of 130001265 in words is "one hundred thirty million, one thousand, two hundred sixty-five".