1126825465 has 4 divisors (see below), whose sum is σ = 1352190564. Its totient is φ = 901460368.

The previous prime is 1126825397. The next prime is 1126825481. The reversal of 1126825465 is 5645286211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5645286211 = 37 ⋅152575303.

It can be written as a sum of positive squares in 2 ways, for example, as 719956224 + 406869241 = 26832^2 + 20171^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126825465 - 2²⁵ = 1093271033 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112682542 + ... + 112682551.

It is an arithmetic number, because the mean of its divisors is an integer number (338047641).

Almost surely, 2^1126825465 is an apocalyptic number.

It is an amenable number.

1126825465 is a deficient number, since it is larger than the sum of its proper divisors (225365099).

1126825465 is an equidigital number, since it uses as much as digits as its factorization.

1126825465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225365098.

The product of its digits is 115200, while the sum is 40.

The square root of 1126825465 is about 33568.2210580185. The cubic root of 1126825465 is about 1040.6041438644.

The spelling of 1126825465 in words is "one billion, one hundred twenty-six million, eight hundred twenty-five thousand, four hundred sixty-five".