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120142201 is a prime number
BaseRepresentation
bin1110010100100…
…11100101111001
322101001212010011
413022103211321
5221224022301
615531021521
72656122544
oct712234571
9271055104
10120142201
11618a9683
123429a8a1
131bb7687a
1411d5585b
15a832a51
hex7293979

120142201 has 2 divisors, whose sum is σ = 120142202. Its totient is φ = 120142200.

The previous prime is 120142147. The next prime is 120142237. The reversal of 120142201 is 102241021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116122176 + 4020025 = 10776^2 + 2005^2 .

It is a cyclic number.

It is not a de Polignac number, because 120142201 - 219 = 119617913 is a prime.

It is a super-2 number, since 2×1201422012 = 28868296922248802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120142291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60071100 + 60071101.

It is an arithmetic number, because the mean of its divisors is an integer number (60071101).

Almost surely, 2120142201 is an apocalyptic number.

It is an amenable number.

120142201 is a deficient number, since it is larger than the sum of its proper divisors (1).

120142201 is an equidigital number, since it uses as much as digits as its factorization.

120142201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 120142201 is about 10960.9397863504. The cubic root of 120142201 is about 493.4371700815.

Adding to 120142201 its reverse (102241021), we get a palindrome (222383222).

The spelling of 120142201 in words is "one hundred twenty million, one hundred forty-two thousand, two hundred one".