1140202387 has 2 divisors, whose sum is σ = 1140202388. Its totient is φ = 1140202386.

The previous prime is 1140202373. The next prime is 1140202463. The reversal of 1140202387 is 7832020411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1140202387 - 2¹¹ = 1140200339 is a prime.

It is a super-2 number, since 2×1140202387² = 2600122966640995538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1140202307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570101193 + 570101194.

It is an arithmetic number, because the mean of its divisors is an integer number (570101194).

Almost surely, 2^1140202387 is an apocalyptic number.

1140202387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140202387 is an equidigital number, since it uses as much as digits as its factorization.

1140202387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 1140202387 is about 33766.8829920678. The cubic root of 1140202387 is about 1044.7057425651.

Adding to 1140202387 its reverse (7832020411), we get a palindrome (8972222798).

The spelling of 1140202387 in words is "one billion, one hundred forty million, two hundred two thousand, three hundred eighty-seven".