1201944 has 32 divisors (see below), whose sum is σ = 3057840. Its totient is φ = 393600.

The previous prime is 1201939. The next prime is 1201961. The reversal of 1201944 is 4491021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201944.

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, 1054 + ... + 1874.

2^1201944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1528920).

1201944 is an abundant number, since it is smaller than the sum of its proper divisors (1855896).

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

1201944 is a wasteful number, since it uses less digits than its factorization.

1201944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1201944 is about 1096.3320664835. The cubic root of 1201944 is about 106.3232095217.

Adding to 1201944 its reverse (4491021), we get a palindrome (5692965).

It can be divided in two parts, 1201 and 944, that added together give a triangular number (2145 = T₆₅).

The spelling of 1201944 in words is "one million, two hundred one thousand, nine hundred forty-four".