1126151171 has 4 divisors (see below), whose sum is σ = 1164984000. Its totient is φ = 1087318344.

The previous prime is 1126151153. The next prime is 1126151177. The reversal of 1126151171 is 1711516211.

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

It is not a de Polignac number, because 1126151171 - 2¹⁰ = 1126150147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1126151171.

It is not an unprimeable number, because it can be changed into a prime (1126151177) 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, 19416371 + ... + 19416428.

It is an arithmetic number, because the mean of its divisors is an integer number (291246000).

Almost surely, 2^1126151171 is an apocalyptic number.

1126151171 is a deficient number, since it is larger than the sum of its proper divisors (38832829).

1126151171 is an equidigital number, since it uses as much as digits as its factorization.

1126151171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38832828.

The product of its digits is 420, while the sum is 26.

The square root of 1126151171 is about 33558.1759188428. The cubic root of 1126151171 is about 1040.3965361027.

Adding to 1126151171 its reverse (1711516211), we get a palindrome (2837667382).

The spelling of 1126151171 in words is "one billion, one hundred twenty-six million, one hundred fifty-one thousand, one hundred seventy-one".