122087 has 8 divisors (see below), whose sum is σ = 141696. Its totient is φ = 103032.

The previous prime is 122081. The next prime is 122099. The reversal of 122087 is 780221.

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

It is a cyclic number.

It is not a de Polignac number, because 122087 - 2¹⁰ = 121063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 122087.

It is not an unprimeable number, because it can be changed into a prime (122081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668 + ... + 830.

It is an arithmetic number, because the mean of its divisors is an integer number (17712).

2¹²²⁰⁸⁷ is an apocalyptic number.

122087 is a deficient number, since it is larger than the sum of its proper divisors (19609).

122087 is a wasteful number, since it uses less digits than its factorization.

122087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 122087 is about 349.4095018742. The cubic root of 122087 is about 49.6085432301.

The spelling of 122087 in words is "one hundred twenty-two thousand, eighty-seven".