912109959 has 12 divisors (see below), whose sum is σ = 1394991936. Its totient is φ = 572304192.

The previous prime is 912109951. The next prime is 912109963. The reversal of 912109959 is 959901219.

It is not a de Polignac number, because 912109959 - 2³ = 912109951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912109951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2980599 + ... + 2980904.

It is an arithmetic number, because the mean of its divisors is an integer number (116249328).

Almost surely, 2^912109959 is an apocalyptic number.

912109959 is a deficient number, since it is larger than the sum of its proper divisors (482881977).

912109959 is a wasteful number, since it uses less digits than its factorization.

912109959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5961526 (or 5961523 counting only the distinct ones).

The product of its (nonzero) digits is 65610, while the sum is 45.

The square root of 912109959 is about 30201.1582393788. The cubic root of 912109959 is about 969.8004900194.

The spelling of 912109959 in words is "nine hundred twelve million, one hundred nine thousand, nine hundred fifty-nine".