1140334121 has 4 divisors (see below), whose sum is σ = 1140439812. Its totient is φ = 1140228432.

The previous prime is 1140334099. The next prime is 1140334141. The reversal of 1140334121 is 1214330411.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1214330411 = 7 ⋅173475773.

It can be written as a sum of positive squares in 2 ways, for example, as 344473600 + 795860521 = 18560^2 + 28211^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140334121 - 2⁶ = 1140334057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1140334093 and 1140334102.

It is not an unprimeable number, because it can be changed into a prime (1140334141) 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, 34550 + ... + 58943.

It is an arithmetic number, because the mean of its divisors is an integer number (285109953).

Almost surely, 2^1140334121 is an apocalyptic number.

It is an amenable number.

1140334121 is a deficient number, since it is larger than the sum of its proper divisors (105691).

1140334121 is an equidigital number, since it uses as much as digits as its factorization.

1140334121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105690.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1140334121 is about 33768.8335747624. The cubic root of 1140334121 is about 1044.7459745941.

Adding to 1140334121 its reverse (1214330411), we get a palindrome (2354664532).

The spelling of 1140334121 in words is "one billion, one hundred forty million, three hundred thirty-four thousand, one hundred twenty-one".