961081 has 8 divisors (see below), whose sum is σ = 1074528. Its totient is φ = 852000.

The previous prime is 961073. The next prime is 961087. The reversal of 961081 is 180169.

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 961081 - 2³ = 961073 is a prime.

It is a super-2 number, since 2×961081² = 1847353377122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (961087) 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 7 ways as a sum of consecutive naturals, for example, 615 + ... + 1516.

It is an arithmetic number, because the mean of its divisors is an integer number (134316).

2⁹⁶¹⁰⁸¹ is an apocalyptic number.

It is an amenable number.

961081 is a deficient number, since it is larger than the sum of its proper divisors (113447).

961081 is a wasteful number, since it uses less digits than its factorization.

961081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 961081 is about 980.3473874092. The cubic root of 961081 is about 98.6854965178.

The spelling of 961081 in words is "nine hundred sixty-one thousand, eighty-one".