4072130181 has 24 divisors (see below), whose sum is σ = 6724275584. Its totient is φ = 2326229280.

The previous prime is 4072130177. The next prime is 4072130267. The reversal of 4072130181 is 1810312704.

It is not a de Polignac number, because 4072130181 - 2² = 4072130177 is a prime.

It is a super-2 number, since 2×4072130181² = 33164488422022185522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4072131181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258915 + ... + 274191.

Almost surely, 2^4072130181 is an apocalyptic number.

It is an amenable number.

4072130181 is a deficient number, since it is larger than the sum of its proper divisors (2652145403).

4072130181 is a wasteful number, since it uses less digits than its factorization.

4072130181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19521 (or 19518 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 4072130181 is about 63813.2445578502. The cubic root of 4072130181 is about 1596.8858935464.

Adding to 4072130181 its reverse (1810312704), we get a palindrome (5882442885).

The spelling of 4072130181 in words is "four billion, seventy-two million, one hundred thirty thousand, one hundred eighty-one".