260678101 has 4 divisors (see below), whose sum is σ = 269087104. Its totient is φ = 252269100.

The previous prime is 260678087. The next prime is 260678111. The reversal of 260678101 is 101876062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 260678101 - 2⁵ = 260678069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 8408971 = 260678101 / (2 + 6 + 0 + 6 + 7 + 8 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260678111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4204455 + ... + 4204516.

It is an arithmetic number, because the mean of its divisors is an integer number (67271776).

Almost surely, 2^260678101 is an apocalyptic number.

260678101 is the 7221-st centered decagonal number.

It is an amenable number.

260678101 is a deficient number, since it is larger than the sum of its proper divisors (8409003).

260678101 is an equidigital number, since it uses as much as digits as its factorization.

260678101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8409002.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 260678101 is about 16145.5288237952. The cubic root of 260678101 is about 638.8048177596.

The spelling of 260678101 in words is "two hundred sixty million, six hundred seventy-eight thousand, one hundred one".