1128917093 has 2 divisors, whose sum is σ = 1128917094. Its totient is φ = 1128917092.

The previous prime is 1128917077. The next prime is 1128917107. The reversal of 1128917093 is 3907198211.

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., 808435489 + 320481604 = 28433^2 + 17902^2 .

It is a cyclic number.

It is not a de Polignac number, because 1128917093 - 2⁴ = 1128917077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1128917093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1128910093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564458546 + 564458547.

It is an arithmetic number, because the mean of its divisors is an integer number (564458547).

Almost surely, 2^1128917093 is an apocalyptic number.

It is an amenable number.

1128917093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128917093 is an equidigital number, since it uses as much as digits as its factorization.

1128917093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 1128917093 is about 33599.3614969094. The cubic root of 1128917093 is about 1041.2476068500.

It can be divided in two parts, 11289 and 17093, that added together give a palindrome (28382).

The spelling of 1128917093 in words is "one billion, one hundred twenty-eight million, nine hundred seventeen thousand, ninety-three".