88042121 has 2 divisors, whose sum is σ = 88042122. Its totient is φ = 88042120.

The previous prime is 88042111. The next prime is 88042127. The reversal of 88042121 is 12124088.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53655625 + 34386496 = 7325^2 + 5864^2 .

It is a cyclic number.

It is not a de Polignac number, because 88042121 - 2¹⁰ = 88041097 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (88042127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44021060 + 44021061.

It is an arithmetic number, because the mean of its divisors is an integer number (44021061).

Almost surely, 2^88042121 is an apocalyptic number.

It is an amenable number.

88042121 is a deficient number, since it is larger than the sum of its proper divisors (1).

88042121 is an equidigital number, since it uses as much as digits as its factorization.

88042121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 88042121 is about 9383.0763079067. The cubic root of 88042121 is about 444.8669736619.

The spelling of 88042121 in words is "eighty-eight million, forty-two thousand, one hundred twenty-one".