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1420124143 is a prime number
BaseRepresentation
bin101010010100101…
…0101111111101111
310122222012210002111
41110221111333233
510402022433033
6352530104451
750122566424
oct12451257757
93588183074
101420124143
11669694319
1233771b127
131982a6559
14d686dd4b
1584a1c7cd
hex54a55fef

1420124143 has 2 divisors, whose sum is σ = 1420124144. Its totient is φ = 1420124142.

The previous prime is 1420124141. The next prime is 1420124177. The reversal of 1420124143 is 3414210241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1420124143 - 21 = 1420124141 is a prime.

Together with 1420124141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420124141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710062071 + 710062072.

It is an arithmetic number, because the mean of its divisors is an integer number (710062072).

Almost surely, 21420124143 is an apocalyptic number.

1420124143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420124143 is an equidigital number, since it uses as much as digits as its factorization.

1420124143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1420124143 is about 37684.5345334130. The cubic root of 1420124143 is about 1124.0236184949.

Adding to 1420124143 its reverse (3414210241), we get a palindrome (4834334384).

The spelling of 1420124143 in words is "one billion, four hundred twenty million, one hundred twenty-four thousand, one hundred forty-three".