142531105121 has 8 divisors (see below), whose sum is σ = 143912142720. Its totient is φ = 141150974608.

The previous prime is 142531105117. The next prime is 142531105141. The reversal of 142531105121 is 121501135241.

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 142531105121 - 2² = 142531105117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142531105141) 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, 91160 + ... + 541638.

It is an arithmetic number, because the mean of its divisors is an integer number (17989017840).

Almost surely, 2^142531105121 is an apocalyptic number.

It is an amenable number.

142531105121 is a deficient number, since it is larger than the sum of its proper divisors (1381037599).

142531105121 is a wasteful number, since it uses less digits than its factorization.

142531105121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453543.

The product of its (nonzero) digits is 1200, while the sum is 26.

The spelling of 142531105121 in words is "one hundred forty-two billion, five hundred thirty-one million, one hundred five thousand, one hundred twenty-one".