1128583 has 2 divisors, whose sum is σ = 1128584. Its totient is φ = 1128582.

The previous prime is 1128577. The next prime is 1128599. The reversal of 1128583 is 3858211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1128583 - 2¹³ = 1120391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1128503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564291 + 564292.

It is an arithmetic number, because the mean of its divisors is an integer number (564292).

2^1128583 is an apocalyptic number.

1128583 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128583 is an equidigital number, since it uses as much as digits as its factorization.

1128583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 28.

The square root of 1128583 is about 1062.3478714621. The cubic root of 1128583 is about 104.1144880718.

It can be divided in two parts, 1128 and 583, that added together give a triangular number (1711 = T₅₈).

The spelling of 1128583 in words is "one million, one hundred twenty-eight thousand, five hundred eighty-three".