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1040387 is a prime number
BaseRepresentation
bin11111110000000000011
31221212010212
43332000003
5231243022
634144335
711562125
oct3760003
91855125
101040387
11650727
124220ab
132a571a
141d1215
151583e2
hexfe003

1040387 has 2 divisors, whose sum is σ = 1040388. Its totient is φ = 1040386.

The previous prime is 1040381. The next prime is 1040407. The reversal of 1040387 is 7830401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1040387 - 24 = 1040371 is a prime.

It is a Chen prime.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (1040381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520193 + 520194.

It is an arithmetic number, because the mean of its divisors is an integer number (520194).

21040387 is an apocalyptic number.

1040387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040387 is an equidigital number, since it uses as much as digits as its factorization.

1040387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1040387 is about 1019.9936274311. The cubic root of 1040387 is about 101.3285058969.

Adding to 1040387 its reverse (7830401), we get a palindrome (8870788).

The spelling of 1040387 in words is "one million, forty thousand, three hundred eighty-seven".