1042881672 has 32 divisors (see below), whose sum is σ = 2979662400. Its totient is φ = 297966144.

The previous prime is 1042881659. The next prime is 1042881701. The reversal of 1042881672 is 2761882401.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042881672.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3103647 + ... + 3103982.

It is an arithmetic number, because the mean of its divisors is an integer number (93114450).

Almost surely, 2^1042881672 is an apocalyptic number.

1042881672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1042881672 is an abundant number, since it is smaller than the sum of its proper divisors (1936780728).

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

1042881672 is a wasteful number, since it uses less digits than its factorization.

1042881672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6207645 (or 6207641 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 1042881672 is about 32293.6785145328. The cubic root of 1042881672 is about 1014.0943078763.

The spelling of 1042881672 in words is "one billion, forty-two million, eight hundred eighty-one thousand, six hundred seventy-two".