260935121 has 2 divisors, whose sum is σ = 260935122. Its totient is φ = 260935120.

The previous prime is 260935093. The next prime is 260935123. The reversal of 260935121 is 121539062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 222010000 + 38925121 = 14900^2 + 6239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260935121 is a prime.

Together with 260935123, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (260935123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130467560 + 130467561.

It is an arithmetic number, because the mean of its divisors is an integer number (130467561).

Almost surely, 2^260935121 is an apocalyptic number.

It is an amenable number.

260935121 is a deficient number, since it is larger than the sum of its proper divisors (1).

260935121 is an equidigital number, since it uses as much as digits as its factorization.

260935121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 260935121 is about 16153.4863419635. The cubic root of 260935121 is about 639.0146956161.

The spelling of 260935121 in words is "two hundred sixty million, nine hundred thirty-five thousand, one hundred twenty-one".