1143241401 has 8 divisors (see below), whose sum is σ = 1541449440. Its totient is φ = 753597152.

The previous prime is 1143241397. The next prime is 1143241433. The reversal of 1143241401 is 1041423411.

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

It is a cyclic number.

It is not a de Polignac number, because 1143241401 - 2² = 1143241397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143241471) 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, 2140635 + ... + 2141168.

It is an arithmetic number, because the mean of its divisors is an integer number (192681180).

Almost surely, 2^1143241401 is an apocalyptic number.

It is an amenable number.

1143241401 is a deficient number, since it is larger than the sum of its proper divisors (398208039).

1143241401 is an equidigital number, since it uses as much as digits as its factorization.

1143241401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281895.

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

The square root of 1143241401 is about 33811.8529660828. The cubic root of 1143241401 is about 1045.6330805206.

Adding to 1143241401 its reverse (1041423411), we get a palindrome (2184664812).

The spelling of 1143241401 in words is "one billion, one hundred forty-three million, two hundred forty-one thousand, four hundred one".