1105720105 has 16 divisors (see below), whose sum is σ = 1596228480. Its totient is φ = 718301952.

The previous prime is 1105720097. The next prime is 1105720111. The reversal of 1105720105 is 5010275011.

It is a cyclic number.

It is not a de Polignac number, because 1105720105 - 2³ = 1105720097 is a prime.

It is a super-2 number, since 2×1105720105² = 2445233901202422050, which contains 22 as substring.

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, 830704 + ... + 832033.

It is an arithmetic number, because the mean of its divisors is an integer number (99764280).

Almost surely, 2^1105720105 is an apocalyptic number.

It is an amenable number.

1105720105 is a deficient number, since it is larger than the sum of its proper divisors (490508375).

1105720105 is a wasteful number, since it uses less digits than its factorization.

1105720105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662768.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 1105720105 is about 33252.3699155414. The cubic root of 1105720105 is about 1034.0663412222.

Adding to 1105720105 its reverse (5010275011), we get a palindrome (6115995116).

The spelling of 1105720105 in words is "one billion, one hundred five million, seven hundred twenty thousand, one hundred five".