1146604181 has 2 divisors, whose sum is σ = 1146604182. Its totient is φ = 1146604180.

The previous prime is 1146604163. The next prime is 1146604187. The reversal of 1146604181 is 1814066411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1022080900 + 124523281 = 31970^2 + 11159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1146604181 is a prime.

It is a super-2 number, since 2×1146604181² = 2629402295773361522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1146604187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573302090 + 573302091.

It is an arithmetic number, because the mean of its divisors is an integer number (573302091).

Almost surely, 2^1146604181 is an apocalyptic number.

It is an amenable number.

1146604181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146604181 is an equidigital number, since it uses as much as digits as its factorization.

1146604181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1146604181 is about 33861.5442796102. The cubic root of 1146604181 is about 1046.6573004941.

The spelling of 1146604181 in words is "one billion, one hundred forty-six million, six hundred four thousand, one hundred eighty-one".