142152124121 has 8 divisors (see below), whose sum is σ = 167700201984. Its totient is φ = 117914204160.

The previous prime is 142152124111. The next prime is 142152124157. The reversal of 142152124121 is 121421251241.

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 142152124121 - 2¹⁰ = 142152123097 is a prime.

It is a super-2 number, since 2×142152124121² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142152124111) 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, 327539240 + ... + 327539673.

It is an arithmetic number, because the mean of its divisors is an integer number (20962525248).

Almost surely, 2^142152124121 is an apocalyptic number.

It is an amenable number.

142152124121 is a deficient number, since it is larger than the sum of its proper divisors (25548077863).

142152124121 is an equidigital number, since it uses as much as digits as its factorization.

142152124121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655078951.

The product of its digits is 1280, while the sum is 26.

Adding to 142152124121 its reverse (121421251241), we get a palindrome (263573375362).

The spelling of 142152124121 in words is "one hundred forty-two billion, one hundred fifty-two million, one hundred twenty-four thousand, one hundred twenty-one".