1401201143 has 8 divisors (see below), whose sum is σ = 1408578336. Its totient is φ = 1393840000.

The previous prime is 1401201133. The next prime is 1401201157. The reversal of 1401201143 is 3411021041.

It is a happy number.

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 1401201143 - 2⁴ = 1401201127 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 (1401201133) 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, 196643 + ... + 203643.

It is an arithmetic number, because the mean of its divisors is an integer number (176072292).

Almost surely, 2^1401201143 is an apocalyptic number.

1401201143 is a deficient number, since it is larger than the sum of its proper divisors (7377193).

1401201143 is an equidigital number, since it uses as much as digits as its factorization.

1401201143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8025.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1401201143 is about 37432.6213749451. The cubic root of 1401201143 is about 1119.0087804846.

Adding to 1401201143 its reverse (3411021041), we get a palindrome (4812222184).

The spelling of 1401201143 in words is "one billion, four hundred one million, two hundred one thousand, one hundred forty-three".