501043121142 has 8 divisors (see below), whose sum is σ = 1002086242296. Its totient is φ = 167014373712.

The previous prime is 501043121099. The next prime is 501043121143. The reversal of 501043121142 is 241121340105.

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

501043121142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501043121143) 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, 41753593423 + ... + 41753593434.

It is an arithmetic number, because the mean of its divisors is an integer number (125260780287).

Almost surely, 2^501043121142 is an apocalyptic number.

501043121142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

501043121142 is a wasteful number, since it uses less digits than its factorization.

501043121142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83507186862.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 501043121142 its reverse (241121340105), we get a palindrome (742164461247).

The spelling of 501043121142 in words is "five hundred one billion, forty-three million, one hundred twenty-one thousand, one hundred forty-two".