130872052 has 24 divisors (see below), whose sum is σ = 247080456. Its totient is φ = 60423168.

The previous prime is 130872037. The next prime is 130872059. The reversal of 130872052 is 250278031.

It can be written as a sum of positive squares in 4 ways, for example, as 24245776 + 106626276 = 4924^2 + 10326^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 130872052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130872059) 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 7 ways as a sum of consecutive naturals, for example, 14553 + ... + 21760.

It is an arithmetic number, because the mean of its divisors is an integer number (10295019).

Almost surely, 2^130872052 is an apocalyptic number.

It is an amenable number.

130872052 is a deficient number, since it is larger than the sum of its proper divisors (116208404).

130872052 is a wasteful number, since it uses less digits than its factorization.

130872052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36387 (or 36385 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 130872052 is about 11439.9323424573. The cubic root of 130872052 is about 507.7099062935.

The spelling of 130872052 in words is "one hundred thirty million, eight hundred seventy-two thousand, fifty-two".