1201584 has 20 divisors (see below), whose sum is σ = 3104216. Its totient is φ = 400512.

The previous prime is 1201583. The next prime is 1201601. The reversal of 1201584 is 4851021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201584.

It is not an unprimeable number, because it can be changed into a prime (1201583) 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, 12469 + ... + 12564.

2^1201584 is an apocalyptic number.

It is an amenable number.

1201584 is an abundant number, since it is smaller than the sum of its proper divisors (1902632).

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

1201584 is a wasteful number, since it uses less digits than its factorization.

1201584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25044 (or 25038 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1201584 is about 1096.1678703556. The cubic root of 1201584 is about 106.3125933373.

The spelling of 1201584 in words is "one million, two hundred one thousand, five hundred eighty-four".