1110431121 has 16 divisors (see below), whose sum is σ = 1491182784. Its totient is φ = 734995904.

The previous prime is 1110431081. The next prime is 1110431137. The reversal of 1110431121 is 1211340111.

It is a cyclic number.

It is not a de Polignac number, because 1110431121 - 2⁶ = 1110431057 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1110431121.

It is not an unprimeable number, because it can be changed into a prime (1110431221) 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, 677515 + ... + 679151.

It is an arithmetic number, because the mean of its divisors is an integer number (93198924).

Almost surely, 2^1110431121 is an apocalyptic number.

It is an amenable number.

1110431121 is a deficient number, since it is larger than the sum of its proper divisors (380751663).

1110431121 is a wasteful number, since it uses less digits than its factorization.

1110431121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1110431121 is about 33323.1319206344. The cubic root of 1110431121 is about 1035.5328367967.

Adding to 1110431121 its reverse (1211340111), we get a palindrome (2321771232).

The spelling of 1110431121 in words is "one billion, one hundred ten million, four hundred thirty-one thousand, one hundred twenty-one".