1241143401 has 4 divisors (see below), whose sum is σ = 1654857872. Its totient is φ = 827428932.

The previous prime is 1241143367. The next prime is 1241143427. The reversal of 1241143401 is 1043411421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1241143401 - 2²² = 1236949097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1241143471) 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, 206857231 + ... + 206857236.

It is an arithmetic number, because the mean of its divisors is an integer number (413714468).

Almost surely, 2^1241143401 is an apocalyptic number.

It is an amenable number.

1241143401 is a deficient number, since it is larger than the sum of its proper divisors (413714471).

1241143401 is an equidigital number, since it uses as much as digits as its factorization.

1241143401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413714470.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1241143401 is about 35229.8651856631. The cubic root of 1241143401 is about 1074.6671840822.

Adding to 1241143401 its reverse (1043411421), we get a palindrome (2284554822).

The spelling of 1241143401 in words is "one billion, two hundred forty-one million, one hundred forty-three thousand, four hundred one".