1125505026 has 24 divisors (see below), whose sum is σ = 2582041644. Its totient is φ = 353099520.

The previous prime is 1125505019. The next prime is 1125505039. The reversal of 1125505026 is 6205055211.

It can be written as a sum of positive squares in 2 ways, for example, as 951660801 + 173844225 = 30849^2 + 13185^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1838755 + ... + 1839366.

Almost surely, 2^1125505026 is an apocalyptic number.

1125505026 is an abundant number, since it is smaller than the sum of its proper divisors (1456536618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125505026 is a wasteful number, since it uses less digits than its factorization.

1125505026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678146 (or 3678143 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 1125505026 is about 33548.5473008892. The cubic root of 1125505026 is about 1040.1975173420.

The spelling of 1125505026 in words is "one billion, one hundred twenty-five million, five hundred five thousand, twenty-six".