912973229 has 4 divisors (see below), whose sum is σ = 1043397984. Its totient is φ = 782548476.

The previous prime is 912973189. The next prime is 912973249. The reversal of 912973229 is 922379219.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 912973229 - 2²⁰ = 911924653 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 912973229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912973249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65212367 + ... + 65212380.

It is an arithmetic number, because the mean of its divisors is an integer number (260849496).

Almost surely, 2^912973229 is an apocalyptic number.

It is an amenable number.

912973229 is a deficient number, since it is larger than the sum of its proper divisors (130424755).

912973229 is a wasteful number, since it uses less digits than its factorization.

912973229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130424754.

The product of its digits is 122472, while the sum is 44.

The square root of 912973229 is about 30215.4468608359. The cubic root of 912973229 is about 970.1063506874.

The spelling of 912973229 in words is "nine hundred twelve million, nine hundred seventy-three thousand, two hundred twenty-nine".