1232601089 has 2 divisors, whose sum is σ = 1232601090. Its totient is φ = 1232601088.

The previous prime is 1232601067. The next prime is 1232601101. The reversal of 1232601089 is 9801062321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1227311089 + 5290000 = 35033^2 + 2300^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232601089 - 2¹² = 1232596993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232601049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616300544 + 616300545.

It is an arithmetic number, because the mean of its divisors is an integer number (616300545).

It is a Proth number, since it is equal to 2351 ⋅ 2¹⁹ + 1 and 2351 < 2¹⁹.

Almost surely, 2^1232601089 is an apocalyptic number.

It is an amenable number.

1232601089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232601089 is an equidigital number, since it uses as much as digits as its factorization.

1232601089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1232601089 is about 35108.4190615300. The cubic root of 1232601089 is about 1072.1959992040.

The spelling of 1232601089 in words is "one billion, two hundred thirty-two million, six hundred one thousand, eighty-nine".