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120144131 is a prime number
BaseRepresentation
bin1110010100101…
…00000100000011
322101001221202122
413022110010003
5221224103011
615531034455
72656131302
oct712240403
9271057678
10120144131
1161900078
123429ba2b
131bb77703
1411d56439
15a8333db
hex7294103

120144131 has 2 divisors, whose sum is σ = 120144132. Its totient is φ = 120144130.

The previous prime is 120144121. The next prime is 120144139. The reversal of 120144131 is 131441021.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120144131 - 26 = 120144067 is a prime.

It is a super-2 number, since 2×1201441312 = 28869224427490322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120144139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60072065 + 60072066.

It is an arithmetic number, because the mean of its divisors is an integer number (60072066).

Almost surely, 2120144131 is an apocalyptic number.

120144131 is a deficient number, since it is larger than the sum of its proper divisors (1).

120144131 is an equidigital number, since it uses as much as digits as its factorization.

120144131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 120144131 is about 10961.0278258930. The cubic root of 120144131 is about 493.4398123077.

Adding to 120144131 its reverse (131441021), we get a palindrome (251585152).

The spelling of 120144131 in words is "one hundred twenty million, one hundred forty-four thousand, one hundred thirty-one".