Search a number
-
+
120555469 is a prime number
BaseRepresentation
bin1110010111110…
…00011111001101
322101211212000101
413023320133031
5221330233334
615543531101
72662463446
oct713703715
9271755011
10120555469
1162061121
1234459a91
131bc8c9c8
14120222cd
15a8b5214
hex72f87cd

120555469 has 2 divisors, whose sum is σ = 120555470. Its totient is φ = 120555468.

The previous prime is 120555451. The next prime is 120555481. The reversal of 120555469 is 964555021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78110244 + 42445225 = 8838^2 + 6515^2 .

It is a cyclic number.

It is not a de Polignac number, because 120555469 - 29 = 120554957 is a prime.

It is a super-2 number, since 2×1205554692 = 29067242211619922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120555439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60277734 + 60277735.

It is an arithmetic number, because the mean of its divisors is an integer number (60277735).

Almost surely, 2120555469 is an apocalyptic number.

It is an amenable number.

120555469 is a deficient number, since it is larger than the sum of its proper divisors (1).

120555469 is an equidigital number, since it uses as much as digits as its factorization.

120555469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 120555469 is about 10979.7754530774. The cubic root of 120555469 is about 494.0023015623.

The spelling of 120555469 in words is "one hundred twenty million, five hundred fifty-five thousand, four hundred sixty-nine".