180120922 has 8 divisors (see below), whose sum is σ = 274610772. Its totient is φ = 88584000.

The previous prime is 180120907. The next prime is 180120929. The reversal of 180120922 is 229021081.

It can be written as a sum of positive squares in 2 ways, for example, as 122345721 + 57775201 = 11061^2 + 7601^2 .

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

It is not an unprimeable number, because it can be changed into a prime (180120929) 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, 738079 + ... + 738322.

Almost surely, 2^180120922 is an apocalyptic number.

180120922 is a deficient number, since it is larger than the sum of its proper divisors (94489850).

180120922 is a wasteful number, since it uses less digits than its factorization.

180120922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476464.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 180120922 is about 13420.9136052655. The cubic root of 180120922 is about 564.7480245362.

The spelling of 180120922 in words is "one hundred eighty million, one hundred twenty thousand, nine hundred twenty-two".