401112143 has 4 divisors (see below), whose sum is σ = 410895408. Its totient is φ = 391328880.

The previous prime is 401112133. The next prime is 401112163. The reversal of 401112143 is 341211104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401112143 - 2²⁶ = 334003279 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 (401112133) 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, 4891571 + ... + 4891652.

It is an arithmetic number, because the mean of its divisors is an integer number (102723852).

Almost surely, 2^401112143 is an apocalyptic number.

401112143 is a deficient number, since it is larger than the sum of its proper divisors (9783265).

401112143 is an equidigital number, since it uses as much as digits as its factorization.

401112143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9783264.

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

The square root of 401112143 is about 20027.7842758504. The cubic root of 401112143 is about 737.4885294778.

Adding to 401112143 its reverse (341211104), we get a palindrome (742323247).

The spelling of 401112143 in words is "four hundred one million, one hundred twelve thousand, one hundred forty-three".