1207201020529 has 45 divisors (see below), whose sum is σ = 1497167739467. Its totient is φ = 973138108992.

The previous prime is 1207201020511. The next prime is 1207201020541. The reversal of 1207201020529 is 9250201027021.

The square root of 1207201020529 is 1098727.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 939862386225 + 267338634304 = 969465^2 + 517048^2 .

It is not a de Polignac number, because 1207201020529 - 2¹¹ = 1207201018481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1207201020529.

It is not an unprimeable number, because it can be changed into a prime (1207201020229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 915238932 + ... + 915240250.

Almost surely, 2^{1207201020529} is an apocalyptic number.

1207201020529 is the 1098727-th square number.

1207201020529 is the 549364-th centered octagonal number.

It is an amenable number.

1207201020529 is a deficient number, since it is larger than the sum of its proper divisors (289966718938).

1207201020529 is an frugal number, since it uses more digits than its factorization.

1207201020529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700 (or 1343 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 1207201020529 in words is "one trillion, two hundred seven billion, two hundred one million, twenty thousand, five hundred twenty-nine".