1121710275 has 60 divisors (see below), whose sum is σ = 2374653072. Its totient is φ = 512775360.

The previous prime is 1121710259. The next prime is 1121710297. The reversal of 1121710275 is 5720171211.

It is not a de Polignac number, because 1121710275 - 2⁴ = 1121710259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 25392 + ... + 53741.

Almost surely, 2^1121710275 is an apocalyptic number.

1121710275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1121710275 is an abundant number, since it is smaller than the sum of its proper divisors (1252942797).

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

1121710275 is an equidigital number, since it uses as much as digits as its factorization.

1121710275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79162 (or 79148 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 27.

The square root of 1121710275 is about 33491.9434342052. The cubic root of 1121710275 is about 1039.0271582492.

Adding to 1121710275 its reverse (5720171211), we get a palindrome (6841881486).

The spelling of 1121710275 in words is "one billion, one hundred twenty-one million, seven hundred ten thousand, two hundred seventy-five".