1146865625 has 12 divisors (see below), whose sum is σ = 1433494188. Its totient is φ = 917490000.

The previous prime is 1146865619. The next prime is 1146865651. The reversal of 1146865625 is 5265686411.

It can be written as a sum of positive squares in 6 ways, for example, as 753557401 + 393308224 = 27451^2 + 19832^2 .

It is not a de Polignac number, because 1146865625 - 2⁴ = 1146865609 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 11 ways as a sum of consecutive naturals, for example, 180374 + ... + 186623.

It is an arithmetic number, because the mean of its divisors is an integer number (119457849).

Almost surely, 2^1146865625 is an apocalyptic number.

It is an amenable number.

1146865625 is a deficient number, since it is larger than the sum of its proper divisors (286628563).

1146865625 is an frugal number, since it uses more digits than its factorization.

1146865625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367022 (or 367002 counting only the distinct ones).

The product of its digits is 345600, while the sum is 44.

The square root of 1146865625 is about 33865.4045450516. The cubic root of 1146865625 is about 1046.7368459554.

The spelling of 1146865625 in words is "one billion, one hundred forty-six million, eight hundred sixty-five thousand, six hundred twenty-five".