1105120141 has 4 divisors (see below), whose sum is σ = 1105456032. Its totient is φ = 1104784252.

The previous prime is 1105120129. The next prime is 1105120157. The reversal of 1105120141 is 1410215011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1410215011 = 14447 ⋅97613.

It is a cyclic number.

It is not a de Polignac number, because 1105120141 - 2¹⁹ = 1104595853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105120741) 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 3 ways as a sum of consecutive naturals, for example, 162961 + ... + 169606.

It is an arithmetic number, because the mean of its divisors is an integer number (276364008).

Almost surely, 2^1105120141 is an apocalyptic number.

It is an amenable number.

1105120141 is a deficient number, since it is larger than the sum of its proper divisors (335891).

1105120141 is an equidigital number, since it uses as much as digits as its factorization.

1105120141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335890.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 1105120141 is about 33243.3473194262. The cubic root of 1105120141 is about 1033.8792791681.

Adding to 1105120141 its reverse (1410215011), we get a palindrome (2515335152).

The spelling of 1105120141 in words is "one billion, one hundred five million, one hundred twenty thousand, one hundred forty-one".