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1488121 is a prime number
BaseRepresentation
bin101101011010011111001
32210121022121
411223103321
5340104441
651521241
715435355
oct5532371
92717277
101488121
11927058
125b9221
1340145b
142aa465
151e5dd1
hex16b4f9

1488121 has 2 divisors, whose sum is σ = 1488122. Its totient is φ = 1488120.

The previous prime is 1488119. The next prime is 1488127. The reversal of 1488121 is 1218841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1354896 + 133225 = 1164^2 + 365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1488121 - 21 = 1488119 is a prime.

It is a super-2 number, since 2×14881212 = 4429008221282, which contains 22 as substring.

Together with 1488119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1488127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744060 + 744061.

It is an arithmetic number, because the mean of its divisors is an integer number (744061).

21488121 is an apocalyptic number.

It is an amenable number.

1488121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1488121 is an equidigital number, since it uses as much as digits as its factorization.

1488121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 512, while the sum is 25.

The square root of 1488121 is about 1219.8856503788. The cubic root of 1488121 is about 114.1684439195.

The spelling of 1488121 in words is "one million, four hundred eighty-eight thousand, one hundred twenty-one".