Search a number
-
+
1120780201 is a prime number
BaseRepresentation
bin100001011001101…
…1011111110101001
32220002221112101211
41002303123332221
54243404431301
6303114113121
736526321522
oct10263337651
92802845354
101120780201
11525718832
1227341b7a1
1314b278268
14a8bcb849
15685dd051
hex42cdbfa9

1120780201 has 2 divisors, whose sum is σ = 1120780202. Its totient is φ = 1120780200.

The previous prime is 1120780181. The next prime is 1120780211. The reversal of 1120780201 is 1020870211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 885955225 + 234824976 = 29765^2 + 15324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1120780201 is a prime.

It is a super-2 number, since 2×11207802012 = 2512296517907200802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1120780211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560390100 + 560390101.

It is an arithmetic number, because the mean of its divisors is an integer number (560390101).

Almost surely, 21120780201 is an apocalyptic number.

It is an amenable number.

1120780201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120780201 is an equidigital number, since it uses as much as digits as its factorization.

1120780201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 1120780201 is about 33478.0555140229. The cubic root of 1120780201 is about 1038.7399066058.

The spelling of 1120780201 in words is "one billion, one hundred twenty million, seven hundred eighty thousand, two hundred one".