1105140125 has 16 divisors (see below), whose sum is σ = 1381069872. Its totient is φ = 882923200.

The previous prime is 1105140121. The next prime is 1105140227. The reversal of 1105140125 is 5210415011.

It can be written as a sum of positive squares in 8 ways, for example, as 192737689 + 912402436 = 13883^2 + 30206^2 .

It is not a de Polignac number, because 1105140125 - 2² = 1105140121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1105140097 and 1105140106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105140121) by changing a digit.

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, 94079 + ... + 105171.

It is an arithmetic number, because the mean of its divisors is an integer number (86316867).

Almost surely, 2^1105140125 is an apocalyptic number.

It is an amenable number.

1105140125 is a deficient number, since it is larger than the sum of its proper divisors (275929747).

1105140125 is an equidigital number, since it uses as much as digits as its factorization.

1105140125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11905 (or 11895 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1105140125 is about 33243.6478894841. The cubic root of 1105140125 is about 1033.8855110453.

Adding to 1105140125 its reverse (5210415011), we get a palindrome (6315555136).

The spelling of 1105140125 in words is "one billion, one hundred five million, one hundred forty thousand, one hundred twenty-five".