180525122 has 8 divisors (see below), whose sum is σ = 272605500. Its totient is φ = 89656624.

The previous prime is 180525119. The next prime is 180525127. The reversal of 180525122 is 221525081.

It can be written as a sum of positive squares in 2 ways, for example, as 177395761 + 3129361 = 13319^2 + 1769^2 .

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

It is a super-2 number, since 2×180525122² = 65178639346229768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 180525091 and 180525100.

It is not an unprimeable number, because it can be changed into a prime (180525127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302597 + ... + 303192.

Almost surely, 2^180525122 is an apocalyptic number.

180525122 is a deficient number, since it is larger than the sum of its proper divisors (92080378).

180525122 is a wasteful number, since it uses less digits than its factorization.

180525122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605940.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 180525122 is about 13435.9637540446. The cubic root of 180525122 is about 565.1701495010.

The spelling of 180525122 in words is "one hundred eighty million, five hundred twenty-five thousand, one hundred twenty-two".