1126225709 has 4 divisors (see below), whose sum is σ = 1287115104. Its totient is φ = 965336316.

The previous prime is 1126225699. The next prime is 1126225717. The reversal of 1126225709 is 9075226211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1126225709 - 2¹⁶ = 1126160173 is a prime.

It is a super-2 number, since 2×1126225709² = 2536768695225105362, 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 (1126225909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80444687 + ... + 80444700.

It is an arithmetic number, because the mean of its divisors is an integer number (321778776).

Almost surely, 2^1126225709 is an apocalyptic number.

It is an amenable number.

1126225709 is a deficient number, since it is larger than the sum of its proper divisors (160889395).

1126225709 is an equidigital number, since it uses as much as digits as its factorization.

1126225709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160889394.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 1126225709 is about 33559.2864793041. The cubic root of 1126225709 is about 1040.4194896126.

The spelling of 1126225709 in words is "one billion, one hundred twenty-six million, two hundred twenty-five thousand, seven hundred nine".