201967 has 4 divisors (see below), whose sum is σ = 203560. Its totient is φ = 200376.

The previous prime is 201961. The next prime is 201973. The reversal of 201967 is 769102.

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

It is an interprime number because it is at equal distance from previous prime (201961) and next prime (201973).

It is a cyclic number.

It is not a de Polignac number, because 201967 - 2¹⁵ = 169199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201961) 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, 588 + ... + 865.

It is an arithmetic number, because the mean of its divisors is an integer number (50890).

2²⁰¹⁹⁶⁷ is an apocalyptic number.

201967 is a deficient number, since it is larger than the sum of its proper divisors (1593).

201967 is a wasteful number, since it uses less digits than its factorization.

201967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 201967 is about 449.4073875672. The cubic root of 201967 is about 58.6714477566.

It can be divided in two parts, 20 and 1967, that multiplied together give a triangular number (39340 = T₂₈₀).

The spelling of 201967 in words is "two hundred one thousand, nine hundred sixty-seven".