1596121 has 2 divisors, whose sum is σ = 1596122. Its totient is φ = 1596120.

The previous prime is 1596107. The next prime is 1596139. The reversal of 1596121 is 1216951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1466521 + 129600 = 1211^2 + 360^2 .

It is an emirp because it is prime and its reverse (1216951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1596121 - 2¹⁷ = 1465049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1506121) 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, 798060 + 798061.

It is an arithmetic number, because the mean of its divisors is an integer number (798061).

2^1596121 is an apocalyptic number.

It is an amenable number.

1596121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1596121 is an equidigital number, since it uses as much as digits as its factorization.

1596121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 25.

The square root of 1596121 is about 1263.3768242294. The cubic root of 1596121 is about 116.8661141690.

The spelling of 1596121 in words is "one million, five hundred ninety-six thousand, one hundred twenty-one".