180669122 has 4 divisors (see below), whose sum is σ = 271003686. Its totient is φ = 90334560.

The previous prime is 180669109. The next prime is 180669169. The reversal of 180669122 is 221966081.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 159037321 + 21631801 = 12611^2 + 4651^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45167279 + ... + 45167282.

Almost surely, 2^180669122 is an apocalyptic number.

180669122 is a deficient number, since it is larger than the sum of its proper divisors (90334564).

180669122 is an equidigital number, since it uses as much as digits as its factorization.

180669122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90334563.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 180669122 is about 13441.3214380135. The cubic root of 180669122 is about 565.3203832022.

The spelling of 180669122 in words is "one hundred eighty million, six hundred sixty-nine thousand, one hundred twenty-two".