7121064180 has 96 divisors (see below), whose sum is σ = 20267089920. Its totient is φ = 1867789440.

The previous prime is 7121064151. The next prime is 7121064211. The reversal of 7121064180 is 814601217.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4947901 + ... + 4949339.

It is an arithmetic number, because the mean of its divisors is an integer number (211115520).

Almost surely, 2^7121064180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7121064180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10133544960).

7121064180 is an abundant number, since it is smaller than the sum of its proper divisors (13146025740).

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

7121064180 is a wasteful number, since it uses less digits than its factorization.

7121064180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749 (or 2747 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 7121064180 is about 84386.3980745712. The cubic root of 7121064180 is about 1923.8961844074.

Adding to 7121064180 its reverse (814601217), we get a palindrome (7935665397).

The spelling of 7121064180 in words is "seven billion, one hundred twenty-one million, sixty-four thousand, one hundred eighty".