1123346905 has 16 divisors (see below), whose sum is σ = 1386982800. Its totient is φ = 872893440.

The previous prime is 1123346897. The next prime is 1123346923. The reversal of 1123346905 is 5096433211.

It can be written as a sum of positive squares in 8 ways, for example, as 24649 + 1123322256 = 157^2 + 33516^2 .

It is not a de Polignac number, because 1123346905 - 2³ = 1123346897 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 34981 + ... + 58909.

It is an arithmetic number, because the mean of its divisors is an integer number (86686425).

Almost surely, 2^1123346905 is an apocalyptic number.

It is an amenable number.

1123346905 is a deficient number, since it is larger than the sum of its proper divisors (263635895).

1123346905 is a wasteful number, since it uses less digits than its factorization.

1123346905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24204.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 1123346905 is about 33516.3677178778. The cubic root of 1123346905 is about 1039.5322431143.

The spelling of 1123346905 in words is "one billion, one hundred twenty-three million, three hundred forty-six thousand, nine hundred five".