1200830 has 24 divisors (see below), whose sum is σ = 2269512. Its totient is φ = 457424.

The previous prime is 1200811. The next prime is 1200833. The reversal of 1200830 is 380021.

1200830 = T₁₅₁ + T₁₅₂ + ... + T₂₁₉.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5177 + ... + 5403.

It is an arithmetic number, because the mean of its divisors is an integer number (94563).

2^1200830 is an apocalyptic number.

1200830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1200830 is a deficient number, since it is larger than the sum of its proper divisors (1068682).

1200830 is a wasteful number, since it uses less digits than its factorization.

1200830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1200830 is about 1095.8238909606. The cubic root of 1200830 is about 106.2903514555.

Adding to 1200830 its reverse (380021), we get a palindrome (1580851).

The spelling of 1200830 in words is "one million, two hundred thousand, eight hundred thirty".