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142107001 is a prime number
BaseRepresentation
bin10000111100001…
…10000101111001
3100220101210011021
420132012011321
5242334411001
622033502441
73343614061
oct1036060571
9326353137
10142107001
1173241103
123b711a21
13235973aa
1414c323a1
15c720ba1
hex8786179

142107001 has 2 divisors, whose sum is σ = 142107002. Its totient is φ = 142107000.

The previous prime is 142106999. The next prime is 142107011. The reversal of 142107001 is 100701241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141253225 + 853776 = 11885^2 + 924^2 .

It is an emirp because it is prime and its reverse (100701241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142107001 - 21 = 142106999 is a prime.

Together with 142106999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (142107011) 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, 71053500 + 71053501.

It is an arithmetic number, because the mean of its divisors is an integer number (71053501).

Almost surely, 2142107001 is an apocalyptic number.

It is an amenable number.

142107001 is a deficient number, since it is larger than the sum of its proper divisors (1).

142107001 is an equidigital number, since it uses as much as digits as its factorization.

142107001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 142107001 is about 11920.8641045857. The cubic root of 142107001 is about 521.8413528739.

Adding to 142107001 its reverse (100701241), we get a palindrome (242808242).

The spelling of 142107001 in words is "one hundred forty-two million, one hundred seven thousand, one".