961105129 has 2 divisors, whose sum is σ = 961105130. Its totient is φ = 961105128.

The previous prime is 961105109. The next prime is 961105157. The reversal of 961105129 is 921501169.

It is a happy number.

961105129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 914155225 + 46949904 = 30235^2 + 6852^2 .

It is a cyclic number.

It is not a de Polignac number, because 961105129 - 2⁵ = 961105097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 961105094 and 961105103.

It is not a weakly prime, because it can be changed into another prime (961105109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480552564 + 480552565.

It is an arithmetic number, because the mean of its divisors is an integer number (480552565).

Almost surely, 2^961105129 is an apocalyptic number.

It is an amenable number.

961105129 is a deficient number, since it is larger than the sum of its proper divisors (1).

961105129 is an equidigital number, since it uses as much as digits as its factorization.

961105129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 34.

The square root of 961105129 is about 31001.6955826613. The cubic root of 961105129 is about 986.8632238037.

The spelling of 961105129 in words is "nine hundred sixty-one million, one hundred five thousand, one hundred twenty-nine".