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120144317 is a prime number
BaseRepresentation
bin1110010100101…
…00000110111101
322101001222000112
413022110012331
5221224104232
615531035405
72656131656
oct712240675
9271058015
10120144317
1161900227
123429bb65
131bb77817
1411d5652d
15a8334b2
hex72941bd

120144317 has 2 divisors, whose sum is σ = 120144318. Its totient is φ = 120144316.

The previous prime is 120144307. The next prime is 120144329. The reversal of 120144317 is 713441021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85026841 + 35117476 = 9221^2 + 5926^2 .

It is a cyclic number.

It is not a de Polignac number, because 120144317 - 24 = 120144301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120144292 and 120144301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120144307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60072158 + 60072159.

It is an arithmetic number, because the mean of its divisors is an integer number (60072159).

Almost surely, 2120144317 is an apocalyptic number.

It is an amenable number.

120144317 is a deficient number, since it is larger than the sum of its proper divisors (1).

120144317 is an equidigital number, since it uses as much as digits as its factorization.

120144317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 120144317 is about 10961.0363104955. The cubic root of 120144317 is about 493.4400669457.

Adding to 120144317 its reverse (713441021), we get a palindrome (833585338).

The spelling of 120144317 in words is "one hundred twenty million, one hundred forty-four thousand, three hundred seventeen".