1200027834 has 12 divisors (see below), whose sum is σ = 2600060346. Its totient is φ = 400009272.

The previous prime is 1200027827. The next prime is 1200027869. The reversal of 1200027834 is 4387200021.

It can be written as a sum of positive squares in only one way, i.e., 1098723609 + 101304225 = 33147^2 + 10065^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1200027798 and 1200027807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33334089 + ... + 33334124.

Almost surely, 2^1200027834 is an apocalyptic number.

1200027834 is an abundant number, since it is smaller than the sum of its proper divisors (1400032512).

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

1200027834 is a wasteful number, since it uses less digits than its factorization.

1200027834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66668221 (or 66668218 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 1200027834 is about 34641.4178982327. The cubic root of 1200027834 is about 1062.6667852409. Note that the first 3 decimals are identical.

Adding to 1200027834 its reverse (4387200021), we get a palindrome (5587227855).

The spelling of 1200027834 in words is "one billion, two hundred million, twenty-seven thousand, eight hundred thirty-four".