1284259104 has 48 divisors (see below), whose sum is σ = 3745758240. Its totient is φ = 428086080.

The previous prime is 1284259087. The next prime is 1284259111. The reversal of 1284259104 is 4019524821.

1284259104 is a `hidden beast` number, since 1 + 28 + 42 + 591 + 0 + 4 = 666.

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 (36).

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, 742342 + ... + 744069.

It is an arithmetic number, because the mean of its divisors is an integer number (78036630).

Almost surely, 2^1284259104 is an apocalyptic number.

It is an amenable number.

1284259104 is an abundant number, since it is smaller than the sum of its proper divisors (2461499136).

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

1284259104 is a wasteful number, since it uses less digits than its factorization.

1284259104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486430 (or 1486416 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1284259104 is about 35836.5609957206. The cubic root of 1284259104 is about 1086.9699828679.

The spelling of 1284259104 in words is "one billion, two hundred eighty-four million, two hundred fifty-nine thousand, one hundred four".