1201838 has 8 divisors (see below), whose sum is σ = 1966680. Its totient is φ = 546280.

The previous prime is 1201829. The next prime is 1201841. The reversal of 1201838 is 8381021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 27293 + ... + 27336.

It is an arithmetic number, because the mean of its divisors is an integer number (245835).

2^1201838 is an apocalyptic number.

1201838 is a deficient number, since it is larger than the sum of its proper divisors (764842).

1201838 is a wasteful number, since it uses less digits than its factorization.

1201838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54642.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1201838 is about 1096.2837224004. The cubic root of 1201838 is about 106.3200838654.

Adding to 1201838 its reverse (8381021), we get a palindrome (9582859).

The spelling of 1201838 in words is "one million, two hundred one thousand, eight hundred thirty-eight".