130012545 has 24 divisors (see below), whose sum is σ = 225256896. Its totient is φ = 64004928.

The previous prime is 130012541. The next prime is 130012559. The reversal of 130012545 is 545210031.

It is not a de Polignac number, because 130012545 - 2² = 130012541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130012541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23109 + ... + 28178.

It is an arithmetic number, because the mean of its divisors is an integer number (9385704).

Almost surely, 2^130012545 is an apocalyptic number.

130012545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130012545 is a deficient number, since it is larger than the sum of its proper divisors (95244351).

130012545 is a wasteful number, since it uses less digits than its factorization.

130012545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51321 (or 51308 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 130012545 is about 11402.3043723626. The cubic root of 130012545 is about 506.5959963664.

Adding to 130012545 its reverse (545210031), we get a palindrome (675222576).

The spelling of 130012545 in words is "one hundred thirty million, twelve thousand, five hundred forty-five".