1125654205 has 8 divisors (see below), whose sum is σ = 1454691672. Its totient is φ = 831252288.

The previous prime is 1125654199. The next prime is 1125654241. The reversal of 1125654205 is 5024565211.

It can be written as a sum of positive squares in 4 ways, for example, as 20557156 + 1105097049 = 4534^2 + 33243^2 .

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 1125654205 - 2⁹ = 1125653693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8658814 + ... + 8658943.

It is an arithmetic number, because the mean of its divisors is an integer number (181836459).

Almost surely, 2^1125654205 is an apocalyptic number.

It is an amenable number.

1125654205 is a deficient number, since it is larger than the sum of its proper divisors (329037467).

1125654205 is a wasteful number, since it uses less digits than its factorization.

1125654205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17317775.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 1125654205 is about 33550.7705574701. The cubic root of 1125654205 is about 1040.2434726440.

The spelling of 1125654205 in words is "one billion, one hundred twenty-five million, six hundred fifty-four thousand, two hundred five".