261074 has 8 divisors (see below), whose sum is σ = 427248. Its totient is φ = 118660.

The previous prime is 261071. The next prime is 261077. The reversal of 261074 is 470162.

It is an interprime number because it is at equal distance from previous prime (261071) and next prime (261077).

It is a sphenic number, since it is the product of 3 distinct primes.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 261074.

It is not an unprimeable number, because it can be changed into a prime (261071) 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 in 3 ways as a sum of consecutive naturals, for example, 5912 + ... + 5955.

It is an arithmetic number, because the mean of its divisors is an integer number (53406).

2²⁶¹⁰⁷⁴ is an apocalyptic number.

261074 is a deficient number, since it is larger than the sum of its proper divisors (166174).

261074 is a wasteful number, since it uses less digits than its factorization.

261074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11880.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 261074 is about 510.9540096721. The cubic root of 261074 is about 63.9128044331.

The spelling of 261074 in words is "two hundred sixty-one thousand, seventy-four".