1140407071 has 2 divisors, whose sum is σ = 1140407072. Its totient is φ = 1140407070.

The previous prime is 1140407069. The next prime is 1140407101. The reversal of 1140407071 is 1707040411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1140407071 - 2¹ = 1140407069 is a prime.

Together with 1140407069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140407011) 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, 570203535 + 570203536.

It is an arithmetic number, because the mean of its divisors is an integer number (570203536).

Almost surely, 2^1140407071 is an apocalyptic number.

1140407071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140407071 is an equidigital number, since it uses as much as digits as its factorization.

1140407071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 1140407071 is about 33769.9136954775. The cubic root of 1140407071 is about 1044.7682524488.

Adding to 1140407071 its reverse (1707040411), we get a palindrome (2847447482).

The spelling of 1140407071 in words is "one billion, one hundred forty million, four hundred seven thousand, seventy-one".