1081944 has 32 divisors (see below), whose sum is σ = 3006000. Its totient is φ = 360576.
The previous prime is 1081939. The next prime is 1081979. The reversal of 1081944 is 4491801.
1081944 is nontrivially palindromic in base 11.
It is a Harshad number since it is a multiple of its sum of digits (27).
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, 2289 + ... + 2720.
21081944 is an apocalyptic number.
It is an amenable number.
1081944 is an abundant number, since it is smaller than the sum of its proper divisors (1924056).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1081944 is a wasteful number, since it uses less digits than its factorization.
1081944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5024 (or 5014 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 27.
The square root of 1081944 is about 1040.1653714674. The cubic root of 1081944 is about 102.6600790361.
It can be divided in two parts, 1081 and 944, that added together give a square (2025 = 452).
The spelling of 1081944 in words is "one million, eighty-one thousand, nine hundred forty-four".
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