1243433130 has 32 divisors (see below), whose sum is σ = 3113990784. Its totient is φ = 317165376.

The previous prime is 1243433027. The next prime is 1243433141. The reversal of 1243433130 is 313343421.

It is a super-2 number, since 2×1243433130² = 3092251897563193800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1243433130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900349 + ... + 901728.

It is an arithmetic number, because the mean of its divisors is an integer number (97312212).

Almost surely, 2^1243433130 is an apocalyptic number.

1243433130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1243433130 is an abundant number, since it is smaller than the sum of its proper divisors (1870557654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1243433130 is a wasteful number, since it uses less digits than its factorization.

1243433130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802110.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 1243433130 is about 35262.3471992436. The cubic root of 1243433130 is about 1075.3276462965.

Adding to 1243433130 its reverse (313343421), we get a palindrome (1556776551).

The spelling of 1243433130 in words is "one billion, two hundred forty-three million, four hundred thirty-three thousand, one hundred thirty".