1200776 has 8 divisors (see below), whose sum is σ = 2251470. Its totient is φ = 600384.

The previous prime is 1200751. The next prime is 1200779. The reversal of 1200776 is 6770021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1060900 + 139876 = 1030^2 + 374^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75041 + ... + 75056.

2^1200776 is an apocalyptic number.

It is an amenable number.

1200776 is a deficient number, since it is larger than the sum of its proper divisors (1050694).

1200776 is a wasteful number, since it uses less digits than its factorization.

1200776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150103 (or 150099 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 1200776 is about 1095.7992516880. The cubic root of 1200776 is about 106.2887581783.

Adding to 1200776 its reverse (6770021), we get a palindrome (7970797).

The spelling of 1200776 in words is "one million, two hundred thousand, seven hundred seventy-six".