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120121120979 is a prime number
BaseRepresentation
bin110111111011111000…
…1101101100011010011
3102111001110002012020122
41233313301231203103
53432002001332404
6131103300300455
711451466452536
oct1576761554323
9374043065218
10120121120979
1146a41272102
121b3443a172b
13b4343145a2
145b57474a1d
1531d092d3be
hex1bf7c6d8d3

120121120979 has 2 divisors, whose sum is σ = 120121120980. Its totient is φ = 120121120978.

The previous prime is 120121120967. The next prime is 120121121011. The reversal of 120121120979 is 979021121021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 120121120979 - 228 = 119852685523 is a prime.

It is not a weakly prime, because it can be changed into another prime (120121120909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060560489 + 60060560490.

It is an arithmetic number, because the mean of its divisors is an integer number (60060560490).

Almost surely, 2120121120979 is an apocalyptic number.

120121120979 is a deficient number, since it is larger than the sum of its proper divisors (1).

120121120979 is an equidigital number, since it uses as much as digits as its factorization.

120121120979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 120121120979 in words is "one hundred twenty billion, one hundred twenty-one million, one hundred twenty thousand, nine hundred seventy-nine".