88302121 has 4 divisors (see below), whose sum is σ = 88395732. Its totient is φ = 88208512.

The previous prime is 88302077. The next prime is 88302133. The reversal of 88302121 is 12120388.

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 54243225 + 34058896 = 7365^2 + 5836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88302121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88302161) 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, 45376 + ... + 47281.

It is an arithmetic number, because the mean of its divisors is an integer number (22098933).

Almost surely, 2^88302121 is an apocalyptic number.

It is an amenable number.

88302121 is a deficient number, since it is larger than the sum of its proper divisors (93611).

88302121 is an equidigital number, since it uses as much as digits as its factorization.

88302121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93610.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 88302121 is about 9396.9208254619. The cubic root of 88302121 is about 445.3044602492.

The spelling of 88302121 in words is "eighty-eight million, three hundred two thousand, one hundred twenty-one".