1201844 has 12 divisors (see below), whose sum is σ = 2403744. Its totient is φ = 515064.

The previous prime is 1201843. The next prime is 1201853. The reversal of 1201844 is 4481021.

1201844 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21434 + ... + 21489.

It is an arithmetic number, because the mean of its divisors is an integer number (200312).

2^1201844 is an apocalyptic number.

1201844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1201844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1201844 is a wasteful number, since it uses less digits than its factorization.

1201844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42934 (or 42932 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 1201844 is about 1096.2864589148. The cubic root of 1201844 is about 106.3202607943.

Adding to 1201844 its reverse (4481021), we get a palindrome (5682865).

The spelling of 1201844 in words is "one million, two hundred one thousand, eight hundred forty-four".