1105128127 has 8 divisors (see below), whose sum is σ = 1157470560. Its totient is φ = 1053143520.

The previous prime is 1105128121. The next prime is 1105128139. The reversal of 1105128127 is 7218215011.

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

It is a cyclic number.

It is not a de Polignac number, because 1105128127 - 2³ = 1105128119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1105128095 and 1105128104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105128121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83124 + ... + 95497.

It is an arithmetic number, because the mean of its divisors is an integer number (144683820).

Almost surely, 2^1105128127 is an apocalyptic number.

1105128127 is a deficient number, since it is larger than the sum of its proper divisors (52342433).

1105128127 is a wasteful number, since it uses less digits than its factorization.

1105128127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178913.

The product of its (nonzero) digits is 1120, while the sum is 28.

The square root of 1105128127 is about 33243.4674334673. The cubic root of 1105128127 is about 1033.8817695580.

The spelling of 1105128127 in words is "one billion, one hundred five million, one hundred twenty-eight thousand, one hundred twenty-seven".