1200064522 has 4 divisors (see below), whose sum is σ = 1800096786. Its totient is φ = 600032260.

The previous prime is 1200064501. The next prime is 1200064553. The reversal of 1200064522 is 2254600021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2254600021 = 19 ⋅118663159.

It can be written as a sum of positive squares in only one way, i.e., 1115626801 + 84437721 = 33401^2 + 9189^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1200064493 and 1200064502.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300016129 + ... + 300016132.

Almost surely, 2^1200064522 is an apocalyptic number.

1200064522 is a deficient number, since it is larger than the sum of its proper divisors (600032264).

1200064522 is an equidigital number, since it uses as much as digits as its factorization.

1200064522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600032263.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1200064522 is about 34641.9474337111. The cubic root of 1200064522 is about 1062.6776146347.

Adding to 1200064522 its reverse (2254600021), we get a palindrome (3454664543).

The spelling of 1200064522 in words is "one billion, two hundred million, sixty-four thousand, five hundred twenty-two".