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120162197 is a prime number
BaseRepresentation
bin1110010100110…
…00011110010101
322101002212112202
413022120132111
5221230142242
615531254245
72656235051
oct712303625
9271085482
10120162197
1161912701
12342aa385
131bb829bc
1411d5cc61
15a838932
hex7298795

120162197 has 2 divisors, whose sum is σ = 120162198. Its totient is φ = 120162196.

The previous prime is 120162187. The next prime is 120162227. The reversal of 120162197 is 791261021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94497841 + 25664356 = 9721^2 + 5066^2 .

It is a cyclic number.

It is not a de Polignac number, because 120162197 - 24 = 120162181 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120162187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60081098 + 60081099.

It is an arithmetic number, because the mean of its divisors is an integer number (60081099).

Almost surely, 2120162197 is an apocalyptic number.

It is an amenable number.

120162197 is a deficient number, since it is larger than the sum of its proper divisors (1).

120162197 is an equidigital number, since it uses as much as digits as its factorization.

120162197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 120162197 is about 10961.8518964635. The cubic root of 120162197 is about 493.4645438165.

The spelling of 120162197 in words is "one hundred twenty million, one hundred sixty-two thousand, one hundred ninety-seven".