142120124736 has 56 divisors (see below), whose sum is σ = 376523280480. Its totient is φ = 47310746112.

The previous prime is 142120124717. The next prime is 142120124749. The reversal of 142120124736 is 637421021241.

It is a junction number, because it is equal to n+sod(n) for n = 142120124697 and 142120124706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343566 + ... + 634253.

Almost surely, 2^142120124736 is an apocalyptic number.

142120124736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

142120124736 is an abundant number, since it is smaller than the sum of its proper divisors (234403155744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142120124736 is an equidigital number, since it uses as much as digits as its factorization.

142120124736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978591 (or 978581 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

Adding to 142120124736 its reverse (637421021241), we get a palindrome (779541145977).

The spelling of 142120124736 in words is "one hundred forty-two billion, one hundred twenty million, one hundred twenty-four thousand, seven hundred thirty-six".