1128603601 has 2 divisors, whose sum is σ = 1128603602. Its totient is φ = 1128603600.

The previous prime is 1128603587. The next prime is 1128603611. The reversal of 1128603601 is 1063068211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 625050001 + 503553600 = 25001^2 + 22440^2 .

It is a cyclic number.

It is not a de Polignac number, because 1128603601 - 2⁵ = 1128603569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1128603601.

It is not a weakly prime, because it can be changed into another prime (1128603611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564301800 + 564301801.

It is an arithmetic number, because the mean of its divisors is an integer number (564301801).

Almost surely, 2^1128603601 is an apocalyptic number.

It is an amenable number.

1128603601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128603601 is an equidigital number, since it uses as much as digits as its factorization.

1128603601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 1128603601 is about 33594.6960248192. The cubic root of 1128603601 is about 1041.1512156516.

The spelling of 1128603601 in words is "one billion, one hundred twenty-eight million, six hundred three thousand, six hundred one".