1260384672 has 48 divisors (see below), whose sum is σ = 3339457632. Its totient is φ = 416198400.

The previous prime is 1260384661. The next prime is 1260384673. The reversal of 1260384672 is 2764830621.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1260384672.

It is not an unprimeable number, because it can be changed into a prime (1260384673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51079 + ... + 71622.

It is an arithmetic number, because the mean of its divisors is an integer number (69572034).

Almost surely, 2^1260384672 is an apocalyptic number.

1260384672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1260384672 is an abundant number, since it is smaller than the sum of its proper divisors (2079072960).

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

1260384672 is a wasteful number, since it uses less digits than its factorization.

1260384672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122821 (or 122813 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 1260384672 is about 35501.8967380618. The cubic root of 1260384672 is about 1080.1922017325.

The spelling of 1260384672 in words is "one billion, two hundred sixty million, three hundred eighty-four thousand, six hundred seventy-two".