1328101 has 2 divisors, whose sum is σ = 1328102. Its totient is φ = 1328100.

The previous prime is 1328099. The next prime is 1328111. The reversal of 1328101 is 1018231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 801025 + 527076 = 895^2 + 726^2 .

It is a cyclic number.

It is not a de Polignac number, because 1328101 - 2¹ = 1328099 is a prime.

Together with 1328099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1328111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664050 + 664051.

It is an arithmetic number, because the mean of its divisors is an integer number (664051).

2^1328101 is an apocalyptic number.

It is an amenable number.

1328101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1328101 is an equidigital number, since it uses as much as digits as its factorization.

1328101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1328101 is about 1152.4326444526. The cubic root of 1328101 is about 109.9200796891.

The spelling of 1328101 in words is "one million, three hundred twenty-eight thousand, one hundred one".