1230655001 has 2 divisors, whose sum is σ = 1230655002. Its totient is φ = 1230655000.

The previous prime is 1230654989. The next prime is 1230655009. The reversal of 1230655001 is 1005560321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 995339401 + 235315600 = 31549^2 + 15340^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230655001 - 2⁶ = 1230654937 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230655009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615327500 + 615327501.

It is an arithmetic number, because the mean of its divisors is an integer number (615327501).

Almost surely, 2^1230655001 is an apocalyptic number.

It is an amenable number.

1230655001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230655001 is an equidigital number, since it uses as much as digits as its factorization.

1230655001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 1230655001 is about 35080.6927098083. The cubic root of 1230655001 is about 1071.6314243158.

The spelling of 1230655001 in words is "one billion, two hundred thirty million, six hundred fifty-five thousand, one".