88648121 has 4 divisors (see below), whose sum is σ = 88689012. Its totient is φ = 88607232.

The previous prime is 88648117. The next prime is 88648151. The reversal of 88648121 is 12184688.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51681721 + 36966400 = 7189^2 + 6080^2 .

It is a cyclic number.

It is not a de Polignac number, because 88648121 - 2² = 88648117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88648151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17000 + ... + 21593.

It is an arithmetic number, because the mean of its divisors is an integer number (22172253).

Almost surely, 2^88648121 is an apocalyptic number.

It is an amenable number.

88648121 is a deficient number, since it is larger than the sum of its proper divisors (40891).

88648121 is a wasteful number, since it uses less digits than its factorization.

88648121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40890.

The product of its digits is 24576, while the sum is 38.

The square root of 88648121 is about 9415.3131121594. The cubic root of 88648121 is about 445.8853241336.

The spelling of 88648121 in words is "eighty-eight million, six hundred forty-eight thousand, one hundred twenty-one".