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1042487 is a prime number
BaseRepresentation
bin11111110100000110111
31221222000122
43332200313
5231324422
634202155
711601215
oct3764067
91858018
101042487
11652266
1242335b
132a6674
141d1cb5
15158d42
hexfe837

1042487 has 2 divisors, whose sum is σ = 1042488. Its totient is φ = 1042486.

The previous prime is 1042469. The next prime is 1042519. The reversal of 1042487 is 7842401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042487 - 212 = 1038391 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042427) 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, 521243 + 521244.

It is an arithmetic number, because the mean of its divisors is an integer number (521244).

21042487 is an apocalyptic number.

1042487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042487 is an equidigital number, since it uses as much as digits as its factorization.

1042487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 1042487 is about 1021.0225266859. The cubic root of 1042487 is about 101.3966365868.

Adding to 1042487 its reverse (7842401), we get a palindrome (8884888).

The spelling of 1042487 in words is "one million, forty-two thousand, four hundred eighty-seven".