1140001121 has 24 divisors (see below), whose sum is σ = 1425674880. Its totient is φ = 905984352.

The previous prime is 1140001091. The next prime is 1140001129. The reversal of 1140001121 is 1211000411.

It is not a de Polignac number, because 1140001121 - 2¹⁰ = 1140000097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1140001129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30731 + ... + 56783.

It is an arithmetic number, because the mean of its divisors is an integer number (59403120).

Almost surely, 2^1140001121 is an apocalyptic number.

It is an amenable number.

1140001121 is a deficient number, since it is larger than the sum of its proper divisors (285673759).

1140001121 is a wasteful number, since it uses less digits than its factorization.

1140001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26133 (or 26126 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1140001121 is about 33763.9026328415. The cubic root of 1140001121 is about 1044.6442692333.

Adding to 1140001121 its reverse (1211000411), we get a palindrome (2351001532).

The spelling of 1140001121 in words is "one billion, one hundred forty million, one thousand, one hundred twenty-one".