Search a number
-
+
1120371389 is a prime number
BaseRepresentation
bin100001011000111…
…1000001010111101
32220002011202121122
41002301320022331
54243303341024
6303101240325
736522666614
oct10261701275
92802152548
101120371389
11525469675
122732630a5
1314b164167
14a8b2287b
156855bd5e
hex42c782bd

1120371389 has 2 divisors, whose sum is σ = 1120371390. Its totient is φ = 1120371388.

The previous prime is 1120371367. The next prime is 1120371391. The reversal of 1120371389 is 9831730211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 748460164 + 371911225 = 27358^2 + 19285^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120371389 - 228 = 851935933 is a prime.

Together with 1120371391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1120370389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560185694 + 560185695.

It is an arithmetic number, because the mean of its divisors is an integer number (560185695).

Almost surely, 21120371389 is an apocalyptic number.

It is an amenable number.

1120371389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1120371389 is an equidigital number, since it uses as much as digits as its factorization.

1120371389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1120371389 is about 33471.9492859319. The cubic root of 1120371389 is about 1038.6135954938.

The spelling of 1120371389 in words is "one billion, one hundred twenty million, three hundred seventy-one thousand, three hundred eighty-nine".