88121129 has 8 divisors (see below), whose sum is σ = 89155752. Its totient is φ = 87091200.

The previous prime is 88121123. The next prime is 88121141. The reversal of 88121129 is 92112188.

It can be written as a sum of positive squares in 4 ways, for example, as 11155600 + 76965529 = 3340^2 + 8773^2 .

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 88121129 - 2⁴ = 88121113 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 = 88121095 and 88121104.

It is not an unprimeable number, because it can be changed into a prime (88121123) 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, 48029 + ... + 49829.

It is an arithmetic number, because the mean of its divisors is an integer number (11144469).

Almost surely, 2^88121129 is an apocalyptic number.

It is an amenable number.

88121129 is a deficient number, since it is larger than the sum of its proper divisors (1034623).

88121129 is a wasteful number, since it uses less digits than its factorization.

88121129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347.

The product of its digits is 2304, while the sum is 32.

The square root of 88121129 is about 9387.2854968835. The cubic root of 88121129 is about 445.0000067332. Note that the first 5 decimals are identical.

The spelling of 88121129 in words is "eighty-eight million, one hundred twenty-one thousand, one hundred twenty-nine".