912081 has 8 divisors (see below), whose sum is σ = 1236960. Its totient is φ = 597632.

The previous prime is 912061. The next prime is 912083. The reversal of 912081 is 180219.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 912081 - 2⁵ = 912049 is a prime.

It is a super-2 number, since 2×912081² = 1663783501122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (912083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2400 + ... + 2753.

It is an arithmetic number, because the mean of its divisors is an integer number (154620).

2⁹¹²⁰⁸¹ is an apocalyptic number.

It is an amenable number.

912081 is a deficient number, since it is larger than the sum of its proper divisors (324879).

912081 is a wasteful number, since it uses less digits than its factorization.

912081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5215.

The product of its (nonzero) digits is 144, while the sum is 21.

The square root of 912081 is about 955.0293189217. The cubic root of 912081 is about 96.9790226363.

It can be divided in two parts, 9120 and 81, that multiplied together give a triangular number (738720 = T₁₂₁₅).

The spelling of 912081 in words is "nine hundred twelve thousand, eighty-one".