961861122 has 32 divisors (see below), whose sum is σ = 2263204800. Its totient is φ = 301760064.

The previous prime is 961861099. The next prime is 961861133. The reversal of 961861122 is 221168169.

961861122 is a `hidden beast` number, since 9 + 6 + 18 + 611 + 22 = 666.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 522972 + ... + 524807.

It is an arithmetic number, because the mean of its divisors is an integer number (70725150).

Almost surely, 2^961861122 is an apocalyptic number.

961861122 is an abundant number, since it is smaller than the sum of its proper divisors (1301343678).

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

961861122 is a wasteful number, since it uses less digits than its factorization.

961861122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047807 (or 1047801 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 961861122 is about 31013.8859545204. The cubic root of 961861122 is about 987.1219073192.

The spelling of 961861122 in words is "nine hundred sixty-one million, eight hundred sixty-one thousand, one hundred twenty-two".