501340121342 has 8 divisors (see below), whose sum is σ = 752926153032. Its totient is φ = 250364737000.

The previous prime is 501340121309. The next prime is 501340121377. The reversal of 501340121342 is 243121043105.

It is a happy number.

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

It is a super-2 number, since 2×501340121342² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152659784 + ... + 152663067.

It is an arithmetic number, because the mean of its divisors is an integer number (94115769129).

Almost surely, 2^501340121342 is an apocalyptic number.

501340121342 is a deficient number, since it is larger than the sum of its proper divisors (251586031690).

501340121342 is a wasteful number, since it uses less digits than its factorization.

501340121342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305323674.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 501340121342 its reverse (243121043105), we get a palindrome (744461164447).

The spelling of 501340121342 in words is "five hundred one billion, three hundred forty million, one hundred twenty-one thousand, three hundred forty-two".