142124142121 has 8 divisors (see below), whose sum is σ = 159711410880. Its totient is φ = 125487536592.

The previous prime is 142124142071. The next prime is 142124142179. The reversal of 142124142121 is 121241421241.

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 142124142121 - 2¹¹ = 142124140073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142124146121) 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, 237665491 + ... + 237666088.

It is an arithmetic number, because the mean of its divisors is an integer number (19963926360).

Almost surely, 2^142124142121 is an apocalyptic number.

It is an amenable number.

142124142121 is a deficient number, since it is larger than the sum of its proper divisors (17587268759).

142124142121 is a wasteful number, since it uses less digits than its factorization.

142124142121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475331615.

The product of its digits is 1024, while the sum is 25.

Adding to 142124142121 its reverse (121241421241), we get a palindrome (263365563362).

The spelling of 142124142121 in words is "one hundred forty-two billion, one hundred twenty-four million, one hundred forty-two thousand, one hundred twenty-one".