1200653325 has 18 divisors (see below), whose sum is σ = 2150503914. Its totient is φ = 640348320.

The previous prime is 1200653323. The next prime is 1200653329. The reversal of 1200653325 is 5233560021.

1200653325 is a `hidden beast` number, since 1 + 2 + 0 + 0 + 653 + 3 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 103917636 + 1096735689 = 10194^2 + 33117^2 .

It is not a de Polignac number, because 1200653325 - 2¹ = 1200653323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200653323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2667894 + ... + 2668343.

Almost surely, 2^1200653325 is an apocalyptic number.

1200653325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1200653325 is a deficient number, since it is larger than the sum of its proper divisors (949850589).

1200653325 is a wasteful number, since it uses less digits than its factorization.

1200653325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336253 (or 5336245 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 1200653325 is about 34650.4448023398. Note that the first 3 decimals coincide. The cubic root of 1200653325 is about 1062.8513845865.

The spelling of 1200653325 in words is "one billion, two hundred million, six hundred fifty-three thousand, three hundred twenty-five".