1240075071 has 36 divisors (see below), whose sum is σ = 1909678680. Its totient is φ = 775245600.

The previous prime is 1240075027. The next prime is 1240075073. The reversal of 1240075071 is 1705700421.

It is not a de Polignac number, because 1240075071 - 2⁶ = 1240075007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240075073) 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 in 35 ways as a sum of consecutive naturals, for example, 326260 + ... + 330038.

It is an arithmetic number, because the mean of its divisors is an integer number (53046630).

Almost surely, 2^1240075071 is an apocalyptic number.

1240075071 is a deficient number, since it is larger than the sum of its proper divisors (669603609).

1240075071 is a wasteful number, since it uses less digits than its factorization.

1240075071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3924 (or 3902 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 1240075071 is about 35214.6996437567. The cubic root of 1240075071 is about 1074.3587510779.

Adding to 1240075071 its reverse (1705700421), we get a palindrome (2945775492).

The spelling of 1240075071 in words is "one billion, two hundred forty million, seventy-five thousand, seventy-one".