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132120397 is a prime number
BaseRepresentation
bin1111101111111…
…11111101001101
3100012121102010001
413313333331031
5232310323042
621035444301
73163001443
oct767777515
9305542101
10132120397
1168640012
12382b6691
13214ab966
1413792b93
15b8ebbb7
hex7dfff4d

132120397 has 2 divisors, whose sum is σ = 132120398. Its totient is φ = 132120396.

The previous prime is 132120383. The next prime is 132120427. The reversal of 132120397 is 793021231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72352036 + 59768361 = 8506^2 + 7731^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-132120397 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 (132120347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66060198 + 66060199.

It is an arithmetic number, because the mean of its divisors is an integer number (66060199).

Almost surely, 2132120397 is an apocalyptic number.

It is an amenable number.

132120397 is a deficient number, since it is larger than the sum of its proper divisors (1).

132120397 is an equidigital number, since it uses as much as digits as its factorization.

132120397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 132120397 is about 11494.3637057473. The cubic root of 132120397 is about 509.3190925981.

The spelling of 132120397 in words is "one hundred thirty-two million, one hundred twenty thousand, three hundred ninety-seven".