1140523001 has 2 divisors, whose sum is σ = 1140523002. Its totient is φ = 1140523000.

The previous prime is 1140522989. The next prime is 1140523037. The reversal of 1140523001 is 1003250411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 964164601 + 176358400 = 31051^2 + 13280^2 .

It is an emirp because it is prime and its reverse (1003250411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1140523001 - 2³⁰ = 66781177 is a prime.

It is not a weakly prime, because it can be changed into another prime (1140523091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570261500 + 570261501.

It is an arithmetic number, because the mean of its divisors is an integer number (570261501).

Almost surely, 2^1140523001 is an apocalyptic number.

It is an amenable number.

1140523001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140523001 is an equidigital number, since it uses as much as digits as its factorization.

1140523001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1140523001 is about 33771.6301205613. The cubic root of 1140523001 is about 1044.8036538076.

Adding to 1140523001 its reverse (1003250411), we get a palindrome (2143773412).

The spelling of 1140523001 in words is "one billion, one hundred forty million, five hundred twenty-three thousand, one".