1105265123 has 4 divisors (see below), whose sum is σ = 1115405280. Its totient is φ = 1095124968.

The previous prime is 1105265111. The next prime is 1105265129. The reversal of 1105265123 is 3215625011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3215625011 = 43 ⋅74781977.

It is a cyclic number.

It is not a de Polignac number, because 1105265123 - 2⁴ = 1105265107 is a prime.

It is a super-2 number, since 2×1105265123² = 2443221984240410258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1105265092 and 1105265101.

It is not an unprimeable number, because it can be changed into a prime (1105265129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5069915 + ... + 5070132.

It is an arithmetic number, because the mean of its divisors is an integer number (278851320).

Almost surely, 2^1105265123 is an apocalyptic number.

1105265123 is a deficient number, since it is larger than the sum of its proper divisors (10140157).

1105265123 is a wasteful number, since it uses less digits than its factorization.

1105265123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10140156.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1105265123 is about 33245.5278646617. The cubic root of 1105265123 is about 1033.9244891338.

The spelling of 1105265123 in words is "one billion, one hundred five million, two hundred sixty-five thousand, one hundred twenty-three".