961011 has 8 divisors (see below), whose sum is σ = 1423760. Its totient is φ = 640656.

The previous prime is 961003. The next prime is 961021. The reversal of 961011 is 110169.

It is not a de Polignac number, because 961011 - 2³ = 961003 is a prime.

It is a Duffinian number.

961011 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 961011.

It is not an unprimeable number, because it can be changed into a prime (961021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17770 + ... + 17823.

It is an arithmetic number, because the mean of its divisors is an integer number (177970).

2⁹⁶¹⁰¹¹ is an apocalyptic number.

961011 is a deficient number, since it is larger than the sum of its proper divisors (462749).

961011 is a wasteful number, since it uses less digits than its factorization.

961011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35602 (or 35596 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 961011 is about 980.3116851288. The cubic root of 961011 is about 98.6831005517.

The spelling of 961011 in words is "nine hundred sixty-one thousand, eleven".