1125273069 has 12 divisors (see below), whose sum is σ = 1625693056. Its totient is φ = 750044232.

The previous prime is 1125273067. The next prime is 1125273089. The reversal of 1125273069 is 9603725211.

It is not a de Polignac number, because 1125273069 - 2¹ = 1125273067 is a prime.

It is a super-2 number, since 2×1125273069² = 2532478959633357522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125273067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72714 + ... + 86820.

Almost surely, 2^1125273069 is an apocalyptic number.

It is an amenable number.

1125273069 is a deficient number, since it is larger than the sum of its proper divisors (500419987).

1125273069 is a wasteful number, since it uses less digits than its factorization.

1125273069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22976 (or 22973 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 1125273069 is about 33545.0900878206. The cubic root of 1125273069 is about 1040.1260538161.

The spelling of 1125273069 in words is "one billion, one hundred twenty-five million, two hundred seventy-three thousand, sixty-nine".