961099 has 2 divisors, whose sum is σ = 961100. Its totient is φ = 961098.

The previous prime is 961097. The next prime is 961109. The reversal of 961099 is 990169.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (990169) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 961099 - 2¹ = 961097 is a prime.

It is a super-3 number, since 3×961099³ = 2663333984982759897, which contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 961097, it forms a pair of twin primes.

It is equal to p₇₅₆₉₇ and since 961099 and 75697 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (961091) 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 as a sum of consecutive naturals, namely, 480549 + 480550.

It is an arithmetic number, because the mean of its divisors is an integer number (480550).

2⁹⁶¹⁰⁹⁹ is an apocalyptic number.

961099 is a deficient number, since it is larger than the sum of its proper divisors (1).

961099 is an equidigital number, since it uses as much as digits as its factorization.

961099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 961099 is about 980.3565677854. The cubic root of 961099 is about 98.6861126046.

The spelling of 961099 in words is "nine hundred sixty-one thousand, ninety-nine".