1200916 has 6 divisors (see below), whose sum is σ = 2101610. Its totient is φ = 600456.

The previous prime is 1200889. The next prime is 1200917. The reversal of 1200916 is 6190021.

It can be written as a sum of positive squares in only one way, i.e., 1110916 + 90000 = 1054^2 + 300^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1200893 and 1200902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150111 + ... + 150118.

2^1200916 is an apocalyptic number.

It is an amenable number.

1200916 is a deficient number, since it is larger than the sum of its proper divisors (900694).

1200916 is a wasteful number, since it uses less digits than its factorization.

1200916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300233 (or 300231 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1200916 is about 1095.8631301399. The cubic root of 1200916 is about 106.2928887982.

Adding to 1200916 its reverse (6190021), we get a palindrome (7390937).

It can be divided in two parts, 1200 and 916, that added together give a square (2116 = 46²).

The spelling of 1200916 in words is "one million, two hundred thousand, nine hundred sixteen".