260121763 has 16 divisors (see below), whose sum is σ = 288839520. Its totient is φ = 232288000.

The previous prime is 260121691. The next prime is 260121769. The reversal of 260121763 is 367121062.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260121763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260121769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151353 + ... + 153061.

It is an arithmetic number, because the mean of its divisors is an integer number (18052470).

Almost surely, 2^260121763 is an apocalyptic number.

260121763 is a deficient number, since it is larger than the sum of its proper divisors (28717757).

260121763 is a wasteful number, since it uses less digits than its factorization.

260121763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 260121763 is about 16128.2907649881. The cubic root of 260121763 is about 638.3500493198.

The spelling of 260121763 in words is "two hundred sixty million, one hundred twenty-one thousand, seven hundred sixty-three".