912720803 has 20 divisors (see below), whose sum is σ = 1042705800. Its totient is φ = 793969920.

The previous prime is 912720793. The next prime is 912720829. The reversal of 912720803 is 308027219.

912720803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 912720803 - 2²⁶ = 845611939 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 912720803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912720703) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22261463 + ... + 22261503.

It is an arithmetic number, because the mean of its divisors is an integer number (52135290).

Almost surely, 2^912720803 is an apocalyptic number.

912720803 is a deficient number, since it is larger than the sum of its proper divisors (129984997).

912720803 is an frugal number, since it uses more digits than its factorization.

912720803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 912720803 is about 30211.2694701828. The cubic root of 912720803 is about 970.0169349082.

It can be divided in two parts, 9127 and 20803, that multiplied together give a palindrome (189868981).

The spelling of 912720803 in words is "nine hundred twelve million, seven hundred twenty thousand, eight hundred three".