1200120522 has 16 divisors (see below), whose sum is σ = 2526569760. Its totient is φ = 378985392.

The previous prime is 1200120517. The next prime is 1200120547. The reversal of 1200120522 is 2250210021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5263573 + ... + 5263800.

It is an arithmetic number, because the mean of its divisors is an integer number (157910610).

Almost surely, 2^1200120522 is an apocalyptic number.

1200120522 is an abundant number, since it is smaller than the sum of its proper divisors (1326449238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200120522 is a wasteful number, since it uses less digits than its factorization.

1200120522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10527397.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1200120522 is about 34642.7556929295. The cubic root of 1200120522 is about 1062.6941440294.

Adding to 1200120522 its reverse (2250210021), we get a palindrome (3450330543).

It can be divided in two parts, 12001 and 20522, that added together give a palindrome (32523).

The spelling of 1200120522 in words is "one billion, two hundred million, one hundred twenty thousand, five hundred twenty-two".