912961 has 4 divisors (see below), whose sum is σ = 1043392. Its totient is φ = 782532.

The previous prime is 912959. The next prime is 912971. The reversal of 912961 is 169219.

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 912961 - 2¹ = 912959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (912911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65205 + ... + 65218.

It is an arithmetic number, because the mean of its divisors is an integer number (260848).

2⁹¹²⁹⁶¹ is an apocalyptic number.

It is an amenable number.

912961 is a deficient number, since it is larger than the sum of its proper divisors (130431).

912961 is a wasteful number, since it uses less digits than its factorization.

912961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130430.

The product of its digits is 972, while the sum is 28.

The square root of 912961 is about 955.4899266868. The cubic root of 912961 is about 97.0102019241.

The spelling of 912961 in words is "nine hundred twelve thousand, nine hundred sixty-one".