1243203141 has 8 divisors (see below), whose sum is σ = 1660233664. Its totient is φ = 827487360.

The previous prime is 1243203109. The next prime is 1243203173. The reversal of 1243203141 is 1413023421.

It is an interprime number because it is at equal distance from previous prime (1243203109) and next prime (1243203173).

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

It is not a de Polignac number, because 1243203141 - 2⁵ = 1243203109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243203641) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 326476 + ... + 330261.

It is an arithmetic number, because the mean of its divisors is an integer number (207529208).

Almost surely, 2^1243203141 is an apocalyptic number.

It is an amenable number.

1243203141 is a deficient number, since it is larger than the sum of its proper divisors (417030523).

1243203141 is an equidigital number, since it uses as much as digits as its factorization.

1243203141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657371.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1243203141 is about 35259.0859354011. The cubic root of 1243203141 is about 1075.2613436346.

Adding to 1243203141 its reverse (1413023421), we get a palindrome (2656226562).

The spelling of 1243203141 in words is "one billion, two hundred forty-three million, two hundred three thousand, one hundred forty-one".