1081244 has 6 divisors (see below), whose sum is σ = 1892184. Its totient is φ = 540620.

The previous prime is 1081243. The next prime is 1081247. The reversal of 1081244 is 4421801.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135152 + ... + 135159.

It is an arithmetic number, because the mean of its divisors is an integer number (315364).

2^1081244 is an apocalyptic number.

It is an amenable number.

1081244 is a deficient number, since it is larger than the sum of its proper divisors (810940).

1081244 is a wasteful number, since it uses less digits than its factorization.

1081244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270315 (or 270313 counting only the distinct ones).

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

The square root of 1081244 is about 1039.8288320680. The cubic root of 1081244 is about 102.6379344646.

The spelling of 1081244 in words is "one million, eighty-one thousand, two hundred forty-four".