1045120105 has 4 divisors (see below), whose sum is σ = 1254144132. Its totient is φ = 836096080.

The previous prime is 1045120079. The next prime is 1045120123. The reversal of 1045120105 is 5010215401.

1045120105 is digitally balanced in base 2, 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 can be written as a sum of positive squares in 2 ways, for example, as 172449424 + 872670681 = 13132^2 + 29541^2 .

It is not a de Polignac number, because 1045120105 - 2⁵ = 1045120073 is a prime.

It is a super-2 number, since 2×1045120105² = 2184552067750422050, 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, 104512006 + ... + 104512015.

It is an arithmetic number, because the mean of its divisors is an integer number (313536033).

Almost surely, 2^1045120105 is an apocalyptic number.

It is an amenable number.

1045120105 is a deficient number, since it is larger than the sum of its proper divisors (209024027).

1045120105 is an equidigital number, since it uses as much as digits as its factorization.

1045120105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209024026.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1045120105 is about 32328.3173858461. The cubic root of 1045120105 is about 1014.8193374005.

Adding to 1045120105 its reverse (5010215401), we get a palindrome (6055335506).

The spelling of 1045120105 in words is "one billion, forty-five million, one hundred twenty thousand, one hundred five".