1125811770 has 32 divisors (see below), whose sum is σ = 2703879360. Its totient is φ = 300001920.

The previous prime is 1125811763. The next prime is 1125811781. The reversal of 1125811770 is 771185211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31761 + ... + 57099.

It is an arithmetic number, because the mean of its divisors is an integer number (84496230).

Almost surely, 2^1125811770 is an apocalyptic number.

1125811770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125811770 is an abundant number, since it is smaller than the sum of its proper divisors (1578067590).

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

1125811770 is a wasteful number, since it uses less digits than its factorization.

1125811770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26830.

The product of its (nonzero) digits is 3920, while the sum is 33.

The square root of 1125811770 is about 33553.1186329974. The cubic root of 1125811770 is about 1040.2920068845.

Adding to 1125811770 its reverse (771185211), we get a palindrome (1896996981).

The spelling of 1125811770 in words is "one billion, one hundred twenty-five million, eight hundred eleven thousand, seven hundred seventy".