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120015197 is a prime number
BaseRepresentation
bin1110010011101…
…00100101011101
322100211101220022
413021310211131
5221210441242
615524201525
72655053351
oct711644535
9270741808
10120015197
1161822215
12342392a5
131bb30b13
1411d21461
15a80a0d2
hex727495d

120015197 has 2 divisors, whose sum is σ = 120015198. Its totient is φ = 120015196.

The previous prime is 120015149. The next prime is 120015199. The reversal of 120015197 is 791510021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109704676 + 10310521 = 10474^2 + 3211^2 .

It is a cyclic number.

It is not a de Polignac number, because 120015197 - 28 = 120014941 is a prime.

Together with 120015199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120015199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60007598 + 60007599.

It is an arithmetic number, because the mean of its divisors is an integer number (60007599).

Almost surely, 2120015197 is an apocalyptic number.

It is an amenable number.

120015197 is a deficient number, since it is larger than the sum of its proper divisors (1).

120015197 is an equidigital number, since it uses as much as digits as its factorization.

120015197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 120015197 is about 10955.1447731192. The cubic root of 120015197 is about 493.2632356677.

The spelling of 120015197 in words is "one hundred twenty million, fifteen thousand, one hundred ninety-seven".