912231 has 6 divisors (see below), whose sum is σ = 1317680. Its totient is φ = 608148.

The previous prime is 912227. The next prime is 912239. The reversal of 912231 is 132219.

It is a happy number.

It is not a de Polignac number, because 912231 - 2² = 912227 is a prime.

It is a super-2 number, since 2×912231² = 1664330794722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (912239) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50671 + ... + 50688.

2⁹¹²²³¹ is an apocalyptic number.

912231 is a deficient number, since it is larger than the sum of its proper divisors (405449).

912231 is a wasteful number, since it uses less digits than its factorization.

912231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101365 (or 101362 counting only the distinct ones).

The product of its digits is 108, while the sum is 18.

The square root of 912231 is about 955.1078473136. The cubic root of 912231 is about 96.9843387051.

The spelling of 912231 in words is "nine hundred twelve thousand, two hundred thirty-one".