404125143 has 4 divisors (see below), whose sum is σ = 538833528. Its totient is φ = 269416760.

The previous prime is 404125123. The next prime is 404125181. The reversal of 404125143 is 341521404.

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 404125143 - 2²⁰ = 403076567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404125103) 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, 67354188 + ... + 67354193.

It is an arithmetic number, because the mean of its divisors is an integer number (134708382).

Almost surely, 2^404125143 is an apocalyptic number.

404125143 is a deficient number, since it is larger than the sum of its proper divisors (134708385).

404125143 is a wasteful number, since it uses less digits than its factorization.

404125143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134708384.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 404125143 is about 20102.8640496821. The cubic root of 404125143 is about 739.3305017251.

Adding to 404125143 its reverse (341521404), we get a palindrome (745646547).

The spelling of 404125143 in words is "four hundred four million, one hundred twenty-five thousand, one hundred forty-three".