1121327166 has 48 divisors (see below), whose sum is σ = 2332886400. Its totient is φ = 359300256.

The previous prime is 1121327159. The next prime is 1121327173. The reversal of 1121327166 is 6617231211.

It is an interprime number because it is at equal distance from previous prime (1121327159) and next prime (1121327173).

It is a super-2 number, since 2×1121327166² = 2514749226419183112, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1811205 + ... + 1811823.

It is an arithmetic number, because the mean of its divisors is an integer number (48601800).

Almost surely, 2^1121327166 is an apocalyptic number.

1121327166 is an abundant number, since it is smaller than the sum of its proper divisors (1211559234).

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

1121327166 is a wasteful number, since it uses less digits than its factorization.

1121327166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041 (or 1012 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 1121327166 is about 33486.2235255037. The cubic root of 1121327166 is about 1038.9088549787.

Adding to 1121327166 its reverse (6617231211), we get a palindrome (7738558377).

The spelling of 1121327166 in words is "one billion, one hundred twenty-one million, three hundred twenty-seven thousand, one hundred sixty-six".