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120388297 is a prime number
BaseRepresentation
bin1110010110011…
…11101011001001
322101112100200211
413023033223021
5221304411142
615540201121
72661166201
oct713175311
9271470624
10120388297
1161a57567
12343991a1
131bc318a3
1411dbb401
15a880917
hex72cfac9

120388297 has 2 divisors, whose sum is σ = 120388298. Its totient is φ = 120388296.

The previous prime is 120388217. The next prime is 120388321. The reversal of 120388297 is 792883021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73205136 + 47183161 = 8556^2 + 6869^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120388297 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120388217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60194148 + 60194149.

It is an arithmetic number, because the mean of its divisors is an integer number (60194149).

Almost surely, 2120388297 is an apocalyptic number.

It is an amenable number.

120388297 is a deficient number, since it is larger than the sum of its proper divisors (1).

120388297 is an equidigital number, since it uses as much as digits as its factorization.

120388297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 120388297 is about 10972.1600881504. The cubic root of 120388297 is about 493.7738547039.

The spelling of 120388297 in words is "one hundred twenty million, three hundred eighty-eight thousand, two hundred ninety-seven".