1125885211 has 16 divisors (see below), whose sum is σ = 1264158720. Its totient is φ = 993877920.

The previous prime is 1125885179. The next prime is 1125885221.

It is a happy number.

1125885211 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1125885211 - 2⁵ = 1125885179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1125885221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74950 + ... + 88708.

It is an arithmetic number, because the mean of its divisors is an integer number (79009920).

Almost surely, 2^1125885211 is an apocalyptic number.

1125885211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1125885211 is a deficient number, since it is larger than the sum of its proper divisors (138273509).

1125885211 is a wasteful number, since it uses less digits than its factorization.

1125885211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13986.

The product of its digits is 6400, while the sum is 34.

The square root of 1125885211 is about 33554.2130141656. The cubic root of 1125885211 is about 1040.3146271324.

It can be divided in two parts, 11258 and 85211, that added together give a palindrome (96469).

The spelling of 1125885211 in words is "one billion, one hundred twenty-five million, eight hundred eighty-five thousand, two hundred eleven".