1043120105 has 4 divisors (see below), whose sum is σ = 1251744132. Its totient is φ = 834496080.

The previous prime is 1043120087. The next prime is 1043120123. The reversal of 1043120105 is 5010213401.

1043120105 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1043120087) and next prime (1043120123).

It can be written as a sum of positive squares in 2 ways, for example, as 122058304 + 921061801 = 11048^2 + 30349^2 .

It is not a de Polignac number, because 1043120105 - 2²⁸ = 774684649 is a prime.

It is a super-2 number, since 2×1043120105² = 2176199106910422050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104312006 + ... + 104312015.

It is an arithmetic number, because the mean of its divisors is an integer number (312936033).

Almost surely, 2^1043120105 is an apocalyptic number.

It is an amenable number.

1043120105 is a deficient number, since it is larger than the sum of its proper divisors (208624027).

1043120105 is an equidigital number, since it uses as much as digits as its factorization.

1043120105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208624026.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1043120105 is about 32297.3699393619. The cubic root of 1043120105 is about 1014.1715857785.

Adding to 1043120105 its reverse (5010213401), we get a palindrome (6053333506).

The spelling of 1043120105 in words is "one billion, forty-three million, one hundred twenty thousand, one hundred five".