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1002101 is a prime number
BaseRepresentation
bin11110100101001110101
31212220121212
43310221311
5224031401
633251205
711342402
oct3645165
91786555
101002101
11624991
12403b05
13291179
141c12a9
1514bdbb
hexf4a75

1002101 has 2 divisors, whose sum is σ = 1002102. Its totient is φ = 1002100.

The previous prime is 1002091. The next prime is 1002109. The reversal of 1002101 is 1012001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1002001 + 100 = 1001^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002101 - 218 = 739957 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501050 + 501051.

It is an arithmetic number, because the mean of its divisors is an integer number (501051).

21002101 is an apocalyptic number.

It is an amenable number.

1002101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002101 is an equidigital number, since it uses as much as digits as its factorization.

1002101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 1002101 is about 1001.0499488038. The cubic root of 1002101 is about 100.0699843438.

Adding to 1002101 its reverse (1012001), we get a palindrome (2014102).

Multiplying 1002101 by its reverse (1012001), we get a palindrome (1014127214101).

The spelling of 1002101 in words is "one million, two thousand, one hundred one".