1204055081 has 2 divisors, whose sum is σ = 1204055082. Its totient is φ = 1204055080.

The previous prime is 1204055059. The next prime is 1204055087. The reversal of 1204055081 is 1805504021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 980253481 + 223801600 = 31309^2 + 14960^2 .

It is an emirp because it is prime and its reverse (1805504021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1204055081 - 2¹⁰ = 1204054057 is a prime.

It is a super-2 number, since 2×1204055081² = 2899497276163833122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1204055081.

It is not a weakly prime, because it can be changed into another prime (1204055087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602027540 + 602027541.

It is an arithmetic number, because the mean of its divisors is an integer number (602027541).

Almost surely, 2^1204055081 is an apocalyptic number.

It is an amenable number.

1204055081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204055081 is an equidigital number, since it uses as much as digits as its factorization.

1204055081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 1204055081 is about 34699.4968407324. The cubic root of 1204055081 is about 1063.8542141190.

The spelling of 1204055081 in words is "one billion, two hundred four million, fifty-five thousand, eighty-one".