1204164061 has 2 divisors, whose sum is σ = 1204164062. Its totient is φ = 1204164060.

The previous prime is 1204164053. The next prime is 1204164079. The reversal of 1204164061 is 1604614021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 994203961 + 209960100 = 31531^2 + 14490^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204164061 - 2³ = 1204164053 is a prime.

It is a super-2 number, since 2×1204164061² = 2900022171608023442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1204164761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602082030 + 602082031.

It is an arithmetic number, because the mean of its divisors is an integer number (602082031).

Almost surely, 2^1204164061 is an apocalyptic number.

It is an amenable number.

1204164061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204164061 is an equidigital number, since it uses as much as digits as its factorization.

1204164061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1204164061 is about 34701.0671449741. The cubic root of 1204164061 is about 1063.8863099194.

Adding to 1204164061 its reverse (1604614021), we get a palindrome (2808778082).

The spelling of 1204164061 in words is "one billion, two hundred four million, one hundred sixty-four thousand, sixty-one".