1243302130 has 32 divisors (see below), whose sum is σ = 2568297600. Its totient is φ = 424500480.

The previous prime is 1243302119. The next prime is 1243302131. The reversal of 1243302130 is 312033421.

It is a junction number, because it is equal to n+sod(n) for n = 1243302098 and 1243302107.

It is not an unprimeable number, because it can be changed into a prime (1243302131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19980 + ... + 53719.

It is an arithmetic number, because the mean of its divisors is an integer number (80259300).

Almost surely, 2^1243302130 is an apocalyptic number.

1243302130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1243302130 is an abundant number, since it is smaller than the sum of its proper divisors (1324995470).

1243302130 is a wasteful number, since it uses less digits than its factorization.

1243302130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73954.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1243302130 is about 35260.4896449269. The cubic root of 1243302130 is about 1075.2898818025.

Adding to 1243302130 its reverse (312033421), we get a palindrome (1555335551).

The spelling of 1243302130 in words is "one billion, two hundred forty-three million, three hundred two thousand, one hundred thirty".