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120221293 is a prime number
BaseRepresentation
bin1110010101001…
…10111001101101
322101012212121111
413022212321231
5221234040133
615532432021
72656602253
oct712467155
9271185544
10120221293
1161953045
1234318611
131bba387a
1411d765d3
15a84b1cd
hex72a6e6d

120221293 has 2 divisors, whose sum is σ = 120221294. Its totient is φ = 120221292.

The previous prime is 120221281. The next prime is 120221323. The reversal of 120221293 is 392122021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108951844 + 11269449 = 10438^2 + 3357^2 .

It is a cyclic number.

It is not a de Polignac number, because 120221293 - 25 = 120221261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120221203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110646 + 60110647.

It is an arithmetic number, because the mean of its divisors is an integer number (60110647).

Almost surely, 2120221293 is an apocalyptic number.

It is an amenable number.

120221293 is a deficient number, since it is larger than the sum of its proper divisors (1).

120221293 is an equidigital number, since it uses as much as digits as its factorization.

120221293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 120221293 is about 10964.5470950696. The cubic root of 120221293 is about 493.5454261630.

The spelling of 120221293 in words is "one hundred twenty million, two hundred twenty-one thousand, two hundred ninety-three".