1205469984 has 48 divisors (see below), whose sum is σ = 3166400160. Its totient is φ = 401564160.

The previous prime is 1205469971. The next prime is 1205470009. The reversal of 1205469984 is 4899645021.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197539 + ... + 203549.

It is an arithmetic number, because the mean of its divisors is an integer number (65966670).

Almost surely, 2^1205469984 is an apocalyptic number.

It is an amenable number.

1205469984 is an abundant number, since it is smaller than the sum of its proper divisors (1960930176).

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

1205469984 is a wasteful number, since it uses less digits than its factorization.

1205469984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8113 (or 8105 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 1205469984 is about 34719.8788016318. The cubic root of 1205469984 is about 1064.2707679554.

The spelling of 1205469984 in words is "one billion, two hundred five million, four hundred sixty-nine thousand, nine hundred eighty-four".