1061440317 has 24 divisors (see below), whose sum is σ = 1828404864. Its totient is φ = 580165344.

The previous prime is 1061440309. The next prime is 1061440333. The reversal of 1061440317 is 7130441601.

It is a happy number.

1061440317 is a `hidden beast` number, since 1 + 0 + 614 + 40 + 3 + 1 + 7 = 666.

It is not a de Polignac number, because 1061440317 - 2³ = 1061440309 is a prime.

It is a super-2 number, since 2×1061440317² = 2253311093106120978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061440307) 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 23 ways as a sum of consecutive naturals, for example, 364818 + ... + 367715.

It is an arithmetic number, because the mean of its divisors is an integer number (76183536).

Almost surely, 2^1061440317 is an apocalyptic number.

It is an amenable number.

1061440317 is a deficient number, since it is larger than the sum of its proper divisors (766964547).

1061440317 is a wasteful number, since it uses less digits than its factorization.

1061440317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732569 (or 732566 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1061440317 is about 32579.7531758606. The cubic root of 1061440317 is about 1020.0744265184.

Adding to 1061440317 its reverse (7130441601), we get a palindrome (8191881918).

The spelling of 1061440317 in words is "one billion, sixty-one million, four hundred forty thousand, three hundred seventeen".