Search a number
-
+
120804769 is a prime number
BaseRepresentation
bin1110011001101…
…01010110100001
322102022111222201
413030311112201
5221411223034
615553133201
72664552331
oct714652641
9272274881
10120804769
1162211458
123455a201
131c049317
14120890c1
15a914014
hex73355a1

120804769 has 2 divisors, whose sum is σ = 120804770. Its totient is φ = 120804768.

The previous prime is 120804721. The next prime is 120804811. The reversal of 120804769 is 967408021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83448225 + 37356544 = 9135^2 + 6112^2 .

It is an emirp because it is prime and its reverse (967408021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120804769 - 219 = 120280481 is a prime.

It is a super-2 number, since 2×1208047692 = 29187584426286722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120804709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60402384 + 60402385.

It is an arithmetic number, because the mean of its divisors is an integer number (60402385).

Almost surely, 2120804769 is an apocalyptic number.

It is an amenable number.

120804769 is a deficient number, since it is larger than the sum of its proper divisors (1).

120804769 is an equidigital number, since it uses as much as digits as its factorization.

120804769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 120804769 is about 10991.1222811868. The cubic root of 120804769 is about 494.3425874640.

The spelling of 120804769 in words is "one hundred twenty million, eight hundred four thousand, seven hundred sixty-nine".