130243250 has 32 divisors (see below), whose sum is σ = 254427264. Its totient is φ = 49830000.

The previous prime is 130243249. The next prime is 130243261. The reversal of 130243250 is 52342031.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5576 + ... + 17075.

It is an arithmetic number, because the mean of its divisors is an integer number (7950852).

Almost surely, 2^130243250 is an apocalyptic number.

130243250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130243250 is a deficient number, since it is larger than the sum of its proper divisors (124184014).

130243250 is a wasteful number, since it uses less digits than its factorization.

130243250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22691 (or 22681 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 130243250 is about 11412.4164838127. The cubic root of 130243250 is about 506.8954678955.

Adding to 130243250 its reverse (52342031), we get a palindrome (182585281).

The spelling of 130243250 in words is "one hundred thirty million, two hundred forty-three thousand, two hundred fifty".