1125144965 has 16 divisors (see below), whose sum is σ = 1552303872. Its totient is φ = 766904064.

The previous prime is 1125144947. The next prime is 1125144967. The reversal of 1125144965 is 5694415211.

It is a cyclic number.

It is not a de Polignac number, because 1125144965 - 2¹⁰ = 1125143941 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125144967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90404 + ... + 102093.

It is an arithmetic number, because the mean of its divisors is an integer number (97018992).

Almost surely, 2^1125144965 is an apocalyptic number.

It is an amenable number.

1125144965 is a deficient number, since it is larger than the sum of its proper divisors (427158907).

1125144965 is a wasteful number, since it uses less digits than its factorization.

1125144965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192676.

The product of its digits is 43200, while the sum is 38.

The square root of 1125144965 is about 33543.1806035146. The cubic root of 1125144965 is about 1040.0865821038.

The spelling of 1125144965 in words is "one billion, one hundred twenty-five million, one hundred forty-four thousand, nine hundred sixty-five".