1125526445 has 4 divisors (see below), whose sum is σ = 1350631740. Its totient is φ = 900421152.

The previous prime is 1125526439. The next prime is 1125526447. The reversal of 1125526445 is 5446255211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 245454889 + 880071556 = 15667^2 + 29666^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125526445 - 2¹⁰ = 1125525421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125526447) 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, 112552640 + ... + 112552649.

It is an arithmetic number, because the mean of its divisors is an integer number (337657935).

Almost surely, 2^1125526445 is an apocalyptic number.

It is an amenable number.

1125526445 is a deficient number, since it is larger than the sum of its proper divisors (225105295).

1125526445 is an equidigital number, since it uses as much as digits as its factorization.

1125526445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225105294.

The product of its digits is 48000, while the sum is 35.

The square root of 1125526445 is about 33548.8665233268. The cubic root of 1125526445 is about 1040.2041158167.

The spelling of 1125526445 in words is "one billion, one hundred twenty-five million, five hundred twenty-six thousand, four hundred forty-five".