1243303142 has 8 divisors (see below), whose sum is σ = 1866715632. Its totient is φ = 621064600.

The previous prime is 1243303141. The next prime is 1243303163. The reversal of 1243303142 is 2413033421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243303141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290834 + ... + 295077.

It is an arithmetic number, because the mean of its divisors is an integer number (233339454).

Almost surely, 2^1243303142 is an apocalyptic number.

1243303142 is a deficient number, since it is larger than the sum of its proper divisors (623412490).

1243303142 is a wasteful number, since it uses less digits than its factorization.

1243303142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586974.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1243303142 is about 35260.5039952636. The cubic root of 1243303142 is about 1075.2901735506.

Adding to 1243303142 its reverse (2413033421), we get a palindrome (3656336563).

The spelling of 1243303142 in words is "one billion, two hundred forty-three million, three hundred three thousand, one hundred forty-two".