1201041089 has 2 divisors, whose sum is σ = 1201041090. Its totient is φ = 1201041088.

The previous prime is 1201041013. The next prime is 1201041097. The reversal of 1201041089 is 9801401021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 829900864 + 371140225 = 28808^2 + 19265^2 .

It is an emirp because it is prime and its reverse (9801401021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201041089 - 2¹⁶ = 1200975553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201041689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600520544 + 600520545.

It is an arithmetic number, because the mean of its divisors is an integer number (600520545).

Almost surely, 2^1201041089 is an apocalyptic number.

It is an amenable number.

1201041089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201041089 is an equidigital number, since it uses as much as digits as its factorization.

1201041089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 1201041089 is about 34656.0397189292. The cubic root of 1201041089 is about 1062.9657920611.

The spelling of 1201041089 in words is "one billion, two hundred one million, forty-one thousand, eighty-nine".