1240011317 has 2 divisors, whose sum is σ = 1240011318. Its totient is φ = 1240011316.

The previous prime is 1240011301. The next prime is 1240011329. The reversal of 1240011317 is 7131100421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1041933841 + 198077476 = 32279^2 + 14074^2 .

It is a cyclic number.

It is not a de Polignac number, because 1240011317 - 2⁴ = 1240011301 is a prime.

It is a super-4 number, since 4×1240011317⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1240011217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620005658 + 620005659.

It is an arithmetic number, because the mean of its divisors is an integer number (620005659).

Almost surely, 2^1240011317 is an apocalyptic number.

It is an amenable number.

1240011317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240011317 is an equidigital number, since it uses as much as digits as its factorization.

1240011317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1240011317 is about 35213.7944135533. The cubic root of 1240011317 is about 1074.3403393319.

Adding to 1240011317 its reverse (7131100421), we get a palindrome (8371111738).

The spelling of 1240011317 in words is "one billion, two hundred forty million, eleven thousand, three hundred seventeen".