1200906 has 48 divisors (see below), whose sum is σ = 3092544. Its totient is φ = 342144.

The previous prime is 1200889. The next prime is 1200917. The reversal of 1200906 is 6090021.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3226 + ... + 3578.

It is an arithmetic number, because the mean of its divisors is an integer number (64428).

2^1200906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1200906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1546272).

1200906 is an abundant number, since it is smaller than the sum of its proper divisors (1891638).

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

1200906 is an equidigital number, since it uses as much as digits as its factorization.

1200906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1200906 is about 1095.8585675168. The cubic root of 1200906 is about 106.2925937646.

Adding to 1200906 its reverse (6090021), we get a palindrome (7290927).

The spelling of 1200906 in words is "one million, two hundred thousand, nine hundred six".