1243041430 has 16 divisors (see below), whose sum is σ = 2285081280. Its totient is φ = 486637312.

The previous prime is 1243041391. The next prime is 1243041433. The reversal of 1243041430 is 341403421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243041433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1321915 + ... + 1322854.

It is an arithmetic number, because the mean of its divisors is an integer number (142817580).

Almost surely, 2^1243041430 is an apocalyptic number.

1243041430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1243041430 is a deficient number, since it is larger than the sum of its proper divisors (1042039850).

1243041430 is a wasteful number, since it uses less digits than its factorization.

1243041430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644823.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1243041430 is about 35256.7926788584. The cubic root of 1243041430 is about 1075.2147196836.

Adding to 1243041430 its reverse (341403421), we get a palindrome (1584444851).

The spelling of 1243041430 in words is "one billion, two hundred forty-three million, forty-one thousand, four hundred thirty".