88121 has 4 divisors (see below), whose sum is σ = 96144. Its totient is φ = 80100.

The previous prime is 88117. The next prime is 88129. The reversal of 88121 is 12188.

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 88121 - 2² = 88117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 88093 and 88102.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 88121.

It is not an unprimeable number, because it can be changed into a prime (88129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3995 + ... + 4016.

It is an arithmetic number, because the mean of its divisors is an integer number (24036).

2⁸⁸¹²¹ is an apocalyptic number.

It is an amenable number.

88121 is a deficient number, since it is larger than the sum of its proper divisors (8023).

88121 is a wasteful number, since it uses less digits than its factorization.

88121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8022.

The product of its digits is 128, while the sum is 20.

The square root of 88121 is about 296.8518148841. The cubic root of 88121 is about 44.4999789589.

It can be divided in two parts, 88 and 121, that multiplied together give a cube (10648 = 22³).

The spelling of 88121 in words is "eighty-eight thousand, one hundred twenty-one".