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120270001 is a prime number
BaseRepresentation
bin1110010101100…
…10110010110001
322101022100102111
413022302302301
5221242120001
615533445321
72660164255
oct712626261
9271270374
10120270001
11619866a5
1234340841
131bbbcaa7
1411d8a265
15a85a851
hex72b2cb1

120270001 has 2 divisors, whose sum is σ = 120270002. Its totient is φ = 120270000.

The previous prime is 120269999. The next prime is 120270023. The reversal of 120270001 is 100072021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100020001 + 20250000 = 10001^2 + 4500^2 .

It is a cyclic number.

It is not a de Polignac number, because 120270001 - 21 = 120269999 is a prime.

Together with 120269999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (120270041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60135000 + 60135001.

It is an arithmetic number, because the mean of its divisors is an integer number (60135001).

Almost surely, 2120270001 is an apocalyptic number.

It is an amenable number.

120270001 is a deficient number, since it is larger than the sum of its proper divisors (1).

120270001 is an equidigital number, since it uses as much as digits as its factorization.

120270001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 120270001 is about 10966.7680289135. The cubic root of 120270001 is about 493.6120709427.

The spelling of 120270001 in words is "one hundred twenty million, two hundred seventy thousand, one".