1200679020025 has 27 divisors (see below), whose sum is σ = 1530426884301. Its totient is φ = 934424799840.

The previous prime is 1200679020017. The next prime is 1200679020031. The reversal of 1200679020025 is 5200209760021.

The square root of 1200679020025 is 1095755.

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

It can be written as a sum of positive squares in 4 ways, for example, as 113981187321 + 1086697832704 = 337611^2 + 1042448^2 .

It is not a de Polignac number, because 1200679020025 - 2³ = 1200679020017 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 202711714 + ... + 202717636.

Almost surely, 2^{1200679020025} is an apocalyptic number.

1200679020025 is the 1095755-th square number.

1200679020025 is the 547878-th centered octagonal number.

It is an amenable number.

1200679020025 is a deficient number, since it is larger than the sum of its proper divisors (329747864276).

1200679020025 is an frugal number, since it uses more digits than its factorization.

1200679020025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11930 (or 5965 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 1200679020025 in words is "one trillion, two hundred billion, six hundred seventy-nine million, twenty thousand, twenty-five".