1201001584 has 20 divisors (see below), whose sum is σ = 2463819984. Its totient is φ = 565177088.

The previous prime is 1201001579. The next prime is 1201001591. The reversal of 1201001584 is 4851001021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2207452 + ... + 2207995.

Almost surely, 2^1201001584 is an apocalyptic number.

It is an amenable number.

1201001584 is an abundant number, since it is smaller than the sum of its proper divisors (1262818400).

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

1201001584 is a wasteful number, since it uses less digits than its factorization.

1201001584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415472 (or 4415466 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 1201001584 is about 34655.4697558697. The cubic root of 1201001584 is about 1062.9541374712.

The spelling of 1201001584 in words is "one billion, two hundred one million, one thousand, five hundred eighty-four".