260152121 has 2 divisors, whose sum is σ = 260152122. Its totient is φ = 260152120.

The previous prime is 260152117. The next prime is 260152133. The reversal of 260152121 is 121251062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255360400 + 4791721 = 15980^2 + 2189^2 .

It is a cyclic number.

It is not a de Polignac number, because 260152121 - 2² = 260152117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 260152093 and 260152102.

It is not a weakly prime, because it can be changed into another prime (260152111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130076060 + 130076061.

It is an arithmetic number, because the mean of its divisors is an integer number (130076061).

Almost surely, 2^260152121 is an apocalyptic number.

It is an amenable number.

260152121 is a deficient number, since it is larger than the sum of its proper divisors (1).

260152121 is an equidigital number, since it uses as much as digits as its factorization.

260152121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 260152121 is about 16129.2318787970. The cubic root of 260152121 is about 638.3748816352.

The spelling of 260152121 in words is "two hundred sixty million, one hundred fifty-two thousand, one hundred twenty-one".