1125727105 has 8 divisors (see below), whose sum is σ = 1421971200. Its totient is φ = 853182576.

The previous prime is 1125727103. The next prime is 1125727129. The reversal of 1125727105 is 5017275211.

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 1125727105 - 2¹ = 1125727103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1125727103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5924785 + ... + 5924974.

It is an arithmetic number, because the mean of its divisors is an integer number (177746400).

Almost surely, 2^1125727105 is an apocalyptic number.

It is an amenable number.

1125727105 is a deficient number, since it is larger than the sum of its proper divisors (296244095).

1125727105 is a wasteful number, since it uses less digits than its factorization.

1125727105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11849783.

The product of its (nonzero) digits is 4900, while the sum is 31.

The square root of 1125727105 is about 33551.8569530809. The cubic root of 1125727105 is about 1040.2659283596.

The spelling of 1125727105 in words is "one billion, one hundred twenty-five million, seven hundred twenty-seven thousand, one hundred five".