1125337209 has 16 divisors (see below), whose sum is σ = 1543464384. Its totient is φ = 728870400.

The previous prime is 1125337207. The next prime is 1125337217. The reversal of 1125337209 is 9027335211.

It is not a de Polignac number, because 1125337209 - 2¹ = 1125337207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1125337209.

It is not an unprimeable number, because it can be changed into a prime (1125337207) 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 15 ways as a sum of consecutive naturals, for example, 10662 + ... + 48624.

It is an arithmetic number, because the mean of its divisors is an integer number (96466524).

Almost surely, 2^1125337209 is an apocalyptic number.

It is an amenable number.

1125337209 is a deficient number, since it is larger than the sum of its proper divisors (418127175).

1125337209 is a wasteful number, since it uses less digits than its factorization.

1125337209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38248.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 1125337209 is about 33546.0461008447. The cubic root of 1125337209 is about 1040.1458156616.

The spelling of 1125337209 in words is "one billion, one hundred twenty-five million, three hundred thirty-seven thousand, two hundred nine".