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120013001 is a prime number
BaseRepresentation
bin1110010011101…
…00000011001001
322100211021212222
413021310003021
5221210404001
615524143425
72655044063
oct711640311
9270737788
10120013001
11618205a9
1234237b75
131bb2cb14
1411d20733
15a80961b
hex72740c9

120013001 has 2 divisors, whose sum is σ = 120013002. Its totient is φ = 120013000.

The previous prime is 120012983. The next prime is 120013009. The reversal of 120013001 is 100310021.

It is an a-pointer prime, because the next prime (120013009) can be obtained adding 120013001 to its sum of digits (8).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89321401 + 30691600 = 9451^2 + 5540^2 .

It is a cyclic number.

It is not a de Polignac number, because 120013001 - 210 = 120011977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120013001.

It is not a weakly prime, because it can be changed into another prime (120013009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60006500 + 60006501.

It is an arithmetic number, because the mean of its divisors is an integer number (60006501).

Almost surely, 2120013001 is an apocalyptic number.

It is an amenable number.

120013001 is a deficient number, since it is larger than the sum of its proper divisors (1).

120013001 is an equidigital number, since it uses as much as digits as its factorization.

120013001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 120013001 is about 10955.0445457789. The cubic root of 120013001 is about 493.2602271246.

Adding to 120013001 its reverse (100310021), we get a palindrome (220323022).

The spelling of 120013001 in words is "one hundred twenty million, thirteen thousand, one".