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1422007 is a prime number
BaseRepresentation
bin101011011001010110111
32200020121221
411123022313
5331001012
650251211
715041536
oct5331267
92606557
101422007
11891414
12586b07
133aa332
1429031d
151d1507
hex15b2b7

1422007 has 2 divisors, whose sum is σ = 1422008. Its totient is φ = 1422006.

The previous prime is 1421989. The next prime is 1422011. The reversal of 1422007 is 7002241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1422007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1422097) 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, 711003 + 711004.

It is an arithmetic number, because the mean of its divisors is an integer number (711004).

21422007 is an apocalyptic number.

1422007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422007 is an equidigital number, since it uses as much as digits as its factorization.

1422007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 1422007 is about 1192.4793499260. The cubic root of 1422007 is about 112.4520157503.

Adding to 1422007 its reverse (7002241), we get a palindrome (8424248).

The spelling of 1422007 in words is "one million, four hundred twenty-two thousand, seven".