1128713 has 2 divisors, whose sum is σ = 1128714. Its totient is φ = 1128712.

The previous prime is 1128703. The next prime is 1128719. The reversal of 1128713 is 3178211.

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., 1054729 + 73984 = 1027^2 + 272^2 .

It is an emirp because it is prime and its reverse (3178211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1128713 - 2⁴ = 1128697 is a prime.

It is not a weakly prime, because it can be changed into another prime (1128719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564356 + 564357.

It is an arithmetic number, because the mean of its divisors is an integer number (564357).

2^1128713 is an apocalyptic number.

It is an amenable number.

1128713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128713 is an equidigital number, since it uses as much as digits as its factorization.

1128713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 23.

The square root of 1128713 is about 1062.4090549313. The cubic root of 1128713 is about 104.1184855222.

The spelling of 1128713 in words is "one million, one hundred twenty-eight thousand, seven hundred thirteen".