1198707471025 has 9 divisors (see below), whose sum is σ = 1486404052203. Its totient is φ = 958961597400.

The previous prime is 1198707470999. The next prime is 1198707471037. The reversal of 1198707471025 is 5201747078911.

The square root of 1198707471025 is 1094855.

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., 431534689569 + 767172781456 = 656913^2 + 875884^2 .

It is not a de Polignac number, because 1198707471025 - 2⁵ = 1198707470993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5364790 + ... + 5583760.

Almost surely, 2^{1198707471025} is an apocalyptic number.

1198707471025 is the 1094855-th square number.

1198707471025 is the 547428-th centered octagonal number.

It is an amenable number.

1198707471025 is a deficient number, since it is larger than the sum of its proper divisors (287696581178).

1198707471025 is an frugal number, since it uses more digits than its factorization.

1198707471025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437952 (or 218976 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 52.

The spelling of 1198707471025 in words is "one trillion, one hundred ninety-eight billion, seven hundred seven million, four hundred seventy-one thousand, twenty-five".