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120144377 is a prime number
BaseRepresentation
bin1110010100101…
…00000111111001
322101001222002202
413022110013321
5221224110002
615531035545
72656132103
oct712240771
9271058082
10120144377
1161900281
123429bbb5
131bb77862
1411d56573
15a833502
hex72941f9

120144377 has 2 divisors, whose sum is σ = 120144378. Its totient is φ = 120144376.

The previous prime is 120144359. The next prime is 120144379. The reversal of 120144377 is 773441021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88661056 + 31483321 = 9416^2 + 5611^2 .

It is a cyclic number.

It is not a de Polignac number, because 120144377 - 28 = 120144121 is a prime.

Together with 120144379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120144379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60072188 + 60072189.

It is an arithmetic number, because the mean of its divisors is an integer number (60072189).

Almost surely, 2120144377 is an apocalyptic number.

It is an amenable number.

120144377 is a deficient number, since it is larger than the sum of its proper divisors (1).

120144377 is an equidigital number, since it uses as much as digits as its factorization.

120144377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 120144377 is about 10961.0390474626. The cubic root of 120144377 is about 493.4401490869.

Adding to 120144377 its reverse (773441021), we get a palindrome (893585398).

The spelling of 120144377 in words is "one hundred twenty million, one hundred forty-four thousand, three hundred seventy-seven".