1121746105 has 32 divisors (see below), whose sum is σ = 1452082464. Its totient is φ = 828850176.

The previous prime is 1121746069. The next prime is 1121746123. The reversal of 1121746105 is 5016471211.

It can be written as a sum of positive squares in 16 ways, for example, as 106750224 + 1014995881 = 10332^2 + 31859^2 .

It is not a de Polignac number, because 1121746105 - 2⁹ = 1121745593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1817757 + ... + 1818373.

It is an arithmetic number, because the mean of its divisors is an integer number (45377577).

Almost surely, 2^1121746105 is an apocalyptic number.

It is an amenable number.

1121746105 is a deficient number, since it is larger than the sum of its proper divisors (330336359).

1121746105 is a wasteful number, since it uses less digits than its factorization.

1121746105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 1121746105 is about 33492.4783346948. The cubic root of 1121746105 is about 1039.0382211019.

The spelling of 1121746105 in words is "one billion, one hundred twenty-one million, seven hundred forty-six thousand, one hundred five".