1130237657 has 2 divisors, whose sum is σ = 1130237658. Its totient is φ = 1130237656.

The previous prime is 1130237653. The next prime is 1130237699. The reversal of 1130237657 is 7567320311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1127012041 + 3225616 = 33571^2 + 1796^2 .

It is an emirp because it is prime and its reverse (7567320311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1130237657 - 2² = 1130237653 is a prime.

It is a super-2 number, since 2×1130237657² = 2554874322601699298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1130237651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565118828 + 565118829.

It is an arithmetic number, because the mean of its divisors is an integer number (565118829).

Almost surely, 2^1130237657 is an apocalyptic number.

It is an amenable number.

1130237657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130237657 is an equidigital number, since it uses as much as digits as its factorization.

1130237657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 1130237657 is about 33619.0073767802. The cubic root of 1130237657 is about 1041.6534525072.

Adding to 1130237657 its reverse (7567320311), we get a palindrome (8697557968).

The spelling of 1130237657 in words is "one billion, one hundred thirty million, two hundred thirty-seven thousand, six hundred fifty-seven".