1205244 has 18 divisors (see below), whose sum is σ = 3046680. Its totient is φ = 401736.

The previous prime is 1205231. The next prime is 1205251. The reversal of 1205244 is 4425021.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1205244² = 2905226199072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16704 + ... + 16775.

It is an arithmetic number, because the mean of its divisors is an integer number (169260).

2^1205244 is an apocalyptic number.

It is an amenable number.

1205244 is an abundant number, since it is smaller than the sum of its proper divisors (1841436).

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

1205244 is a wasteful number, since it uses less digits than its factorization.

1205244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33489 (or 33484 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1205244 is about 1097.8360533340. The cubic root of 1205244 is about 106.4204259125.

The spelling of 1205244 in words is "one million, two hundred five thousand, two hundred forty-four".