1125740605 has 8 divisors (see below), whose sum is σ = 1473696864. Its totient is φ = 818720400.

The previous prime is 1125740579. The next prime is 1125740611. The reversal of 1125740605 is 5060475211.

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

It is not a de Polignac number, because 1125740605 - 2⁷ = 1125740477 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, 10233951 + ... + 10234060.

It is an arithmetic number, because the mean of its divisors is an integer number (184212108).

Almost surely, 2^1125740605 is an apocalyptic number.

It is an amenable number.

1125740605 is a deficient number, since it is larger than the sum of its proper divisors (347956259).

1125740605 is a wasteful number, since it uses less digits than its factorization.

1125740605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20468027.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 1125740605 is about 33552.0581335929. The cubic root of 1125740605 is about 1040.2700867191.

The spelling of 1125740605 in words is "one billion, one hundred twenty-five million, seven hundred forty thousand, six hundred five".