1241430143 has 4 divisors (see below), whose sum is σ = 1241529120. Its totient is φ = 1241331168.

The previous prime is 1241430139. The next prime is 1241430191. The reversal of 1241430143 is 3410341421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3410341421 = 11399 ⋅299179.

It is a cyclic number.

It is not a de Polignac number, because 1241430143 - 2² = 1241430139 is a prime.

It is a super-2 number, since 2×1241430143² = 3082297599898000898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241430643) 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, 27383 + ... + 56856.

It is an arithmetic number, because the mean of its divisors is an integer number (310382280).

Almost surely, 2^1241430143 is an apocalyptic number.

1241430143 is a deficient number, since it is larger than the sum of its proper divisors (98977).

1241430143 is an equidigital number, since it uses as much as digits as its factorization.

1241430143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98976.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1241430143 is about 35233.9345376017. The cubic root of 1241430143 is about 1074.7499380143.

Adding to 1241430143 its reverse (3410341421), we get a palindrome (4651771564).

The spelling of 1241430143 in words is "one billion, two hundred forty-one million, four hundred thirty thousand, one hundred forty-three".