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120245291 is a prime number
BaseRepresentation
bin1110010101011…
…00110000101011
322101021002112022
413022230300223
5221240322131
615533135055
72660032235
oct712546053
9271232468
10120245291
116196a081
123432a48b
131bbb177a
1411d81255
15a85337b
hex72acc2b

120245291 has 2 divisors, whose sum is σ = 120245292. Its totient is φ = 120245290.

The previous prime is 120245273. The next prime is 120245297. The reversal of 120245291 is 192542021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120245291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120245291.

It is not a weakly prime, because it can be changed into another prime (120245297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60122645 + 60122646.

It is an arithmetic number, because the mean of its divisors is an integer number (60122646).

Almost surely, 2120245291 is an apocalyptic number.

120245291 is a deficient number, since it is larger than the sum of its proper divisors (1).

120245291 is an equidigital number, since it uses as much as digits as its factorization.

120245291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 120245291 is about 10965.6413857102. The cubic root of 120245291 is about 493.5782637046.

The spelling of 120245291 in words is "one hundred twenty million, two hundred forty-five thousand, two hundred ninety-one".