1201984 has 28 divisors (see below), whose sum is σ = 2726944. Its totient is φ = 514944.

The previous prime is 1201969. The next prime is 1201999. The reversal of 1201984 is 4891021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1201969) and next prime (1201999).

It is a tau number, because it is divible by the number of its divisors (28).

It is a zygodrome in base 13.

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, 894 + ... + 1789.

2^1201984 is an apocalyptic number.

1201984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1201984 is an abundant number, since it is smaller than the sum of its proper divisors (1524960).

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

1201984 is an equidigital number, since it uses as much as digits as its factorization.

1201984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2702 (or 2692 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1201984 is about 1096.3503089798. The cubic root of 1201984 is about 106.3243889669.

The spelling of 1201984 in words is "one million, two hundred one thousand, nine hundred eighty-four".