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1020419 is a prime number
BaseRepresentation
bin11111001001000000011
31220211202022
43321020003
5230123134
633512055
711446661
oct3711003
91824668
101020419
11637724
1241262b
132995ca
141c7c31
1515252e
hexf9203

1020419 has 2 divisors, whose sum is σ = 1020420. Its totient is φ = 1020418.

The previous prime is 1020413. The next prime is 1020431. The reversal of 1020419 is 9140201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1020419 - 28 = 1020163 is a prime.

It is a super-2 number, since 2×10204192 = 2082509871122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020397 and 1020406.

It is not a weakly prime, because it can be changed into another prime (1020413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510209 + 510210.

It is an arithmetic number, because the mean of its divisors is an integer number (510210).

21020419 is an apocalyptic number.

1020419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020419 is an equidigital number, since it uses as much as digits as its factorization.

1020419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1020419 is about 1010.1579084480. The cubic root of 1020419 is about 100.6760525631.

The spelling of 1020419 in words is "one million, twenty thousand, four hundred nineteen".