180028701 has 12 divisors (see below), whose sum is σ = 260204412. Its totient is φ = 119943936.

The previous prime is 180028679. The next prime is 180028703. The reversal of 180028701 is 107820081.

180028701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 52925625 + 127103076 = 7275^2 + 11274^2 .

It is not a de Polignac number, because 180028701 - 2⁵ = 180028669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180028703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11565 + ... + 22221.

It is an arithmetic number, because the mean of its divisors is an integer number (21683701).

Almost surely, 2^180028701 is an apocalyptic number.

It is an amenable number.

180028701 is a deficient number, since it is larger than the sum of its proper divisors (80175711).

180028701 is a wasteful number, since it uses less digits than its factorization.

180028701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12540 (or 12537 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 180028701 is about 13417.4774454813. The cubic root of 180028701 is about 564.6516253727.

Adding to 180028701 its reverse (107820081), we get a palindrome (287848782).

The spelling of 180028701 in words is "one hundred eighty million, twenty-eight thousand, seven hundred one".