961105128 has 32 divisors (see below), whose sum is σ = 2409912960. Its totient is φ = 319415040.

The previous prime is 961105109. The next prime is 961105129. The reversal of 961105128 is 821501169.

It is not an unprimeable number, because it can be changed into a prime (961105129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51328 + ... + 67503.

It is an arithmetic number, because the mean of its divisors is an integer number (75309780).

Almost surely, 2^961105128 is an apocalyptic number.

It is an amenable number.

961105128 is an abundant number, since it is smaller than the sum of its proper divisors (1448807832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

961105128 is a wasteful number, since it uses less digits than its factorization.

961105128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119177 (or 119173 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 33.

The square root of 961105128 is about 31001.6955665331. The cubic root of 961105128 is about 986.8632234615.

The spelling of 961105128 in words is "nine hundred sixty-one million, one hundred five thousand, one hundred twenty-eight".