1140552587 has 2 divisors, whose sum is σ = 1140552588. Its totient is φ = 1140552586.

The previous prime is 1140552509. The next prime is 1140552613. The reversal of 1140552587 is 7852550411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1140552587 - 2⁸ = 1140552331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1140552587.

It is not a weakly prime, because it can be changed into another prime (1140512587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570276293 + 570276294.

It is an arithmetic number, because the mean of its divisors is an integer number (570276294).

Almost surely, 2^1140552587 is an apocalyptic number.

1140552587 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140552587 is an equidigital number, since it uses as much as digits as its factorization.

1140552587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56000, while the sum is 38.

The square root of 1140552587 is about 33772.0681481013. The cubic root of 1140552587 is about 1044.8126880528.

The spelling of 1140552587 in words is "one billion, one hundred forty million, five hundred fifty-two thousand, five hundred eighty-seven".