142120443401 has 8 divisors (see below), whose sum is σ = 143459649504. Its totient is φ = 140781440800.

The previous prime is 142120443391. The next prime is 142120443419. The reversal of 142120443401 is 104344021241.

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

It is not a de Polignac number, because 142120443401 - 2¹⁴ = 142120427017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142120443301) 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, 1604786 + ... + 1691028.

It is an arithmetic number, because the mean of its divisors is an integer number (17932456188).

Almost surely, 2^142120443401 is an apocalyptic number.

It is an amenable number.

142120443401 is a deficient number, since it is larger than the sum of its proper divisors (1339206103).

142120443401 is a wasteful number, since it uses less digits than its factorization.

142120443401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101751.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 142120443401 its reverse (104344021241), we get a palindrome (246464464642).

The spelling of 142120443401 in words is "one hundred forty-two billion, one hundred twenty million, four hundred forty-three thousand, four hundred one".