1140323101 has 2 divisors, whose sum is σ = 1140323102. Its totient is φ = 1140323100.

The previous prime is 1140323087. The next prime is 1140323131. The reversal of 1140323101 is 1013230411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1112222500 + 28100601 = 33350^2 + 5301^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140323101 - 2¹³ = 1140314909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140323131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570161550 + 570161551.

It is an arithmetic number, because the mean of its divisors is an integer number (570161551).

Almost surely, 2^1140323101 is an apocalyptic number.

It is an amenable number.

1140323101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140323101 is an equidigital number, since it uses as much as digits as its factorization.

1140323101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1140323101 is about 33768.6704061620. The cubic root of 1140323101 is about 1044.7426091659.

Adding to 1140323101 its reverse (1013230411), we get a palindrome (2153553512).

The spelling of 1140323101 in words is "one billion, one hundred forty million, three hundred twenty-three thousand, one hundred one".