1125806210 has 16 divisors (see below), whose sum is σ = 2027112696. Its totient is φ = 450175488.

The previous prime is 1125806197. The next prime is 1125806237. The reversal of 1125806210 is 126085211.

It can be written as a sum of positive squares in 4 ways, for example, as 1125803809 + 2401 = 33553^2 + 49^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1125806210.

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 7 ways as a sum of consecutive naturals, for example, 17042 + ... + 50418.

Almost surely, 2^1125806210 is an apocalyptic number.

1125806210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125806210 is a deficient number, since it is larger than the sum of its proper divisors (901306486).

1125806210 is a wasteful number, since it uses less digits than its factorization.

1125806210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36757.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 1125806210 is about 33553.0357791959. The cubic root of 1125806210 is about 1040.2902943327.

The spelling of 1125806210 in words is "one billion, one hundred twenty-five million, eight hundred six thousand, two hundred ten".