2145120716127 has 8 divisors (see below), whose sum is σ = 2937462602416. Its totient is φ = 1391429653632.

The previous prime is 2145120716077. The next prime is 2145120716159. The reversal of 2145120716127 is 7216170215412.

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

It is not a de Polignac number, because 2145120716127 - 2¹⁰ = 2145120715103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145120716527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9662705818 + ... + 9662706039.

It is an arithmetic number, because the mean of its divisors is an integer number (367182825302).

Almost surely, 2^{2145120716127} is an apocalyptic number.

2145120716127 is a deficient number, since it is larger than the sum of its proper divisors (792341886289).

2145120716127 is a wasteful number, since it uses less digits than its factorization.

2145120716127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19325411897.

The product of its (nonzero) digits is 47040, while the sum is 39.

The spelling of 2145120716127 in words is "two trillion, one hundred forty-five billion, one hundred twenty million, seven hundred sixteen thousand, one hundred twenty-seven".