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120828377 is a prime number
BaseRepresentation
bin1110011001110…
…11000111011001
322102100201101002
413030323013121
5221413002002
615553434345
72665011215
oct714730731
9272321332
10120828377
116222816a
123456b9b5
131c056ca7
1412093945
15a91b002
hex733b1d9

120828377 has 2 divisors, whose sum is σ = 120828378. Its totient is φ = 120828376.

The previous prime is 120828349. The next prime is 120828397. The reversal of 120828377 is 773828021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120582361 + 246016 = 10981^2 + 496^2 .

It is an emirp because it is prime and its reverse (773828021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120828377 - 220 = 119779801 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120828377.

It is not a weakly prime, because it can be changed into another prime (120828397) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60414188 + 60414189.

It is an arithmetic number, because the mean of its divisors is an integer number (60414189).

Almost surely, 2120828377 is an apocalyptic number.

It is an amenable number.

120828377 is a deficient number, since it is larger than the sum of its proper divisors (1).

120828377 is an equidigital number, since it uses as much as digits as its factorization.

120828377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 120828377 is about 10992.1961863860. The cubic root of 120828377 is about 494.3747872957.

The spelling of 120828377 in words is "one hundred twenty million, eight hundred twenty-eight thousand, three hundred seventy-seven".