1042718772 has 12 divisors (see below), whose sum is σ = 2433010496. Its totient is φ = 347572920.

The previous prime is 1042718723. The next prime is 1042718813. The reversal of 1042718772 is 2778172401.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×1042718772³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1042718772.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 43446604 + ... + 43446627.

Almost surely, 2^1042718772 is an apocalyptic number.

1042718772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1042718772 is an abundant number, since it is smaller than the sum of its proper divisors (1390291724).

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

1042718772 is a wasteful number, since it uses less digits than its factorization.

1042718772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86893238 (or 86893236 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 39.

The square root of 1042718772 is about 32291.1562505897. The cubic root of 1042718772 is about 1014.0415040063.

The spelling of 1042718772 in words is "one billion, forty-two million, seven hundred eighteen thousand, seven hundred seventy-two".