188051 has 4 divisors (see below), whose sum is σ = 189312. Its totient is φ = 186792.

The previous prime is 188029. The next prime is 188107. The reversal of 188051 is 150881.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 188051 - 2⁶ = 187987 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 188051.

It is not an unprimeable number, because it can be changed into a prime (188011) 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, 371 + ... + 716.

It is an arithmetic number, because the mean of its divisors is an integer number (47328).

2¹⁸⁸⁰⁵¹ is an apocalyptic number.

188051 is a deficient number, since it is larger than the sum of its proper divisors (1261).

188051 is a wasteful number, since it uses less digits than its factorization.

188051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 188051 is about 433.6484751501. The cubic root of 188051 is about 57.2917228576.

The spelling of 188051 in words is "one hundred eighty-eight thousand, fifty-one".