1122916181 has 16 divisors (see below), whose sum is σ = 1214893440. Its totient is φ = 1034035200.

The previous prime is 1122916133. The next prime is 1122916231. The reversal of 1122916181 is 1816192211.

It is not a de Polignac number, because 1122916181 - 2⁶ = 1122916117 is a prime.

It is a super-2 number, since 2×1122916181² = 2521881499103249522, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122916111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168725 + ... + 175253.

It is an arithmetic number, because the mean of its divisors is an integer number (75930840).

Almost surely, 2^1122916181 is an apocalyptic number.

It is an amenable number.

1122916181 is a deficient number, since it is larger than the sum of its proper divisors (91977259).

1122916181 is a wasteful number, since it uses less digits than its factorization.

1122916181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6764.

The product of its digits is 1728, while the sum is 32.

The square root of 1122916181 is about 33509.9415248669. The cubic root of 1122916181 is about 1039.3993637924.

The spelling of 1122916181 in words is "one billion, one hundred twenty-two million, nine hundred sixteen thousand, one hundred eighty-one".