1200278 has 16 divisors (see below), whose sum is σ = 1905120. Its totient is φ = 566016.

The previous prime is 1200253. The next prime is 1200307. The reversal of 1200278 is 8720021.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4328 + ... + 4596.

It is an arithmetic number, because the mean of its divisors is an integer number (119070).

2^1200278 is an apocalyptic number.

1200278 is a deficient number, since it is larger than the sum of its proper divisors (704842).

1200278 is a wasteful number, since it uses less digits than its factorization.

1200278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1200278 is about 1095.5719967213. The cubic root of 1200278 is about 106.2740623703.

Adding to 1200278 its reverse (8720021), we get a palindrome (9920299).

The spelling of 1200278 in words is "one million, two hundred thousand, two hundred seventy-eight".