961124005 has 4 divisors (see below), whose sum is σ = 1153348812. Its totient is φ = 768899200.

The previous prime is 961123967. The next prime is 961124011. The reversal of 961124005 is 500421169.

961124005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 31002²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 346034404 + 615089601 = 18602^2 + 24801^2 .

It is a de Polignac number, because none of the positive numbers 2^k-961124005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96112396 + ... + 96112405.

It is an arithmetic number, because the mean of its divisors is an integer number (288337203).

Almost surely, 2^961124005 is an apocalyptic number.

It is an amenable number.

961124005 is a deficient number, since it is larger than the sum of its proper divisors (192224807).

961124005 is a wasteful number, since it uses less digits than its factorization.

961124005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192224806.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 961124005 is about 31002.0000161280. Note that the first 4 decimals coincide. The cubic root of 961124005 is about 986.8696843902.

The spelling of 961124005 in words is "nine hundred sixty-one million, one hundred twenty-four thousand, five".