1260105055 has 8 divisors (see below), whose sum is σ = 1649592144. Its totient is φ = 916440000.

The previous prime is 1260105053. The next prime is 1260105097. The reversal of 1260105055 is 5505010621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1260105055 - 2¹ = 1260105053 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 (1260105053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11455446 + ... + 11455555.

It is an arithmetic number, because the mean of its divisors is an integer number (206199018).

Almost surely, 2^1260105055 is an apocalyptic number.

1260105055 is a deficient number, since it is larger than the sum of its proper divisors (389487089).

1260105055 is a wasteful number, since it uses less digits than its factorization.

1260105055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22911017.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1260105055 is about 35497.9584624243. The cubic root of 1260105055 is about 1080.1123154226.

Adding to 1260105055 its reverse (5505010621), we get a palindrome (6765115676).

The spelling of 1260105055 in words is "one billion, two hundred sixty million, one hundred five thousand, fifty-five".