1588121 has 2 divisors, whose sum is σ = 1588122. Its totient is φ = 1588120.

The previous prime is 1588117. The next prime is 1588133. The reversal of 1588121 is 1218851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1125721 + 462400 = 1061^2 + 680^2 .

It is a cyclic number.

It is not a de Polignac number, because 1588121 - 2² = 1588117 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1588141) 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 as a sum of consecutive naturals, namely, 794060 + 794061.

It is an arithmetic number, because the mean of its divisors is an integer number (794061).

2^1588121 is an apocalyptic number.

It is an amenable number.

1588121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1588121 is an equidigital number, since it uses as much as digits as its factorization.

1588121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 640, while the sum is 26.

The square root of 1588121 is about 1260.2067290727. The cubic root of 1588121 is about 116.6705368331.

The spelling of 1588121 in words is "one million, five hundred eighty-eight thousand, one hundred twenty-one".