1117062857 has 2 divisors, whose sum is σ = 1117062858. Its totient is φ = 1117062856.

The previous prime is 1117062853. The next prime is 1117062971. The reversal of 1117062857 is 7582607111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1037870656 + 79192201 = 32216^2 + 8899^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117062857 - 2² = 1117062853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1117062857.

It is not a weakly prime, because it can be changed into another prime (1117062851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558531428 + 558531429.

It is an arithmetic number, because the mean of its divisors is an integer number (558531429).

Almost surely, 2^1117062857 is an apocalyptic number.

It is an amenable number.

1117062857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117062857 is an equidigital number, since it uses as much as digits as its factorization.

1117062857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 38.

The square root of 1117062857 is about 33422.4902872302. The cubic root of 1117062857 is about 1037.5902222212.

Adding to 1117062857 its reverse (7582607111), we get a palindrome (8699669968).

The spelling of 1117062857 in words is "one billion, one hundred seventeen million, sixty-two thousand, eight hundred fifty-seven".