1200366 has 16 divisors (see below), whose sum is σ = 2667600. Its totient is φ = 400104.

The previous prime is 1200361. The next prime is 1200371. The reversal of 1200366 is 6630021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1200361) and next prime (1200371).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11061 + ... + 11168.

It is an arithmetic number, because the mean of its divisors is an integer number (166725).

2^1200366 is an apocalyptic number.

1200366 is an abundant number, since it is smaller than the sum of its proper divisors (1467234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1200366 is a wasteful number, since it uses less digits than its factorization.

1200366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22240 (or 22234 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1200366 is about 1095.6121576543. The cubic root of 1200366 is about 106.2766595155.

Adding to 1200366 its reverse (6630021), we get a palindrome (7830387).

The spelling of 1200366 in words is "one million, two hundred thousand, three hundred sixty-six".