130124545 has 16 divisors (see below), whose sum is σ = 166309200. Its totient is φ = 97398784.

The previous prime is 130124543. The next prime is 130124573. The reversal of 130124545 is 545421031.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 369664 + 129754881 = 608^2 + 11391^2 .

It is a cyclic number.

It is not a de Polignac number, because 130124545 - 2¹ = 130124543 is a prime.

It is a super-2 number, since 2×130124545² = 33864794422914050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130124543) 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 15 ways as a sum of consecutive naturals, for example, 10281 + ... + 19129.

It is an arithmetic number, because the mean of its divisors is an integer number (10394325).

Almost surely, 2^130124545 is an apocalyptic number.

It is an amenable number.

130124545 is a deficient number, since it is larger than the sum of its proper divisors (36184655).

130124545 is a wasteful number, since it uses less digits than its factorization.

130124545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9044.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 130124545 is about 11407.2146030484. The cubic root of 130124545 is about 506.7414245550.

Adding to 130124545 its reverse (545421031), we get a palindrome (675545576).

The spelling of 130124545 in words is "one hundred thirty million, one hundred twenty-four thousand, five hundred forty-five".