260078101 has 2 divisors, whose sum is σ = 260078102. Its totient is φ = 260078100.

The previous prime is 260078081. The next prime is 260078113. The reversal of 260078101 is 101870062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 150038001 + 110040100 = 12249^2 + 10490^2 .

It is a cyclic number.

It is not a de Polignac number, because 260078101 - 2⁷ = 260077973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260078171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130039050 + 130039051.

It is an arithmetic number, because the mean of its divisors is an integer number (130039051).

Almost surely, 2^260078101 is an apocalyptic number.

It is an amenable number.

260078101 is a deficient number, since it is larger than the sum of its proper divisors (1).

260078101 is an equidigital number, since it uses as much as digits as its factorization.

260078101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 260078101 is about 16126.9371239551. The cubic root of 260078101 is about 638.3143311763.

The spelling of 260078101 in words is "two hundred sixty million, seventy-eight thousand, one hundred one".