1200761225 has 12 divisors (see below), whose sum is σ = 1503689100. Its totient is φ = 951096000.

The previous prime is 1200761209. The next prime is 1200761239. The reversal of 1200761225 is 5221670021.

It can be written as a sum of positive squares in 6 ways, for example, as 121 + 1200761104 = 11^2 + 34652^2 .

It is not a de Polignac number, because 1200761225 - 2⁴ = 1200761209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200761194 and 1200761203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235250 + ... + 240299.

It is an arithmetic number, because the mean of its divisors is an integer number (125307425).

Almost surely, 2^1200761225 is an apocalyptic number.

It is an amenable number.

1200761225 is a deficient number, since it is larger than the sum of its proper divisors (302927875).

1200761225 is a wasteful number, since it uses less digits than its factorization.

1200761225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475660 (or 475655 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1200761225 is about 34652.0017459309. The cubic root of 1200761225 is about 1062.8832223165.

The spelling of 1200761225 in words is "one billion, two hundred million, seven hundred sixty-one thousand, two hundred twenty-five".