8120158203 has 16 divisors (see below), whose sum is σ = 10955761920. Its totient is φ = 5349253536.

The previous prime is 8120158201. The next prime is 8120158219. The reversal of 8120158203 is 3028510218.

8120158203 is a nontrivial binomial coefficient, being equal to C(127438, 2).

It is not a de Polignac number, because 8120158203 - 2¹ = 8120158201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8120158201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95578 + ... + 159296.

It is an arithmetic number, because the mean of its divisors is an integer number (684735120).

Almost surely, 2^8120158203 is an apocalyptic number.

8120158203 is the 127437-th triangular number and also the 63719-th hexagonal number.

8120158203 is a deficient number, since it is larger than the sum of its proper divisors (2835603717).

8120158203 is a wasteful number, since it uses less digits than its factorization.

8120158203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64226.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 8120158203 is about 90111.9204267671. The cubic root of 8120158203 is about 2009.9634658343.

The spelling of 8120158203 in words is "eight billion, one hundred twenty million, one hundred fifty-eight thousand, two hundred three".