187061 has 4 divisors (see below), whose sum is σ = 213792. Its totient is φ = 160332.

The previous prime is 187049. The next prime is 187067. The reversal of 187061 is 160781.

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 187061 - 2¹⁰ = 186037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13355 + ... + 13368.

It is an arithmetic number, because the mean of its divisors is an integer number (53448).

2¹⁸⁷⁰⁶¹ is an apocalyptic number.

It is an amenable number.

187061 is a deficient number, since it is larger than the sum of its proper divisors (26731).

187061 is an equidigital number, since it uses as much as digits as its factorization.

187061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26730.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 187061 is about 432.5054912946. The cubic root of 187061 is about 57.1910079268.

The spelling of 187061 in words is "one hundred eighty-seven thousand, sixty-one".