Search a number
-
+
1122151369 is a prime number
BaseRepresentation
bin100001011100010…
…1010101111001001
32220012112012021211
41002320222233021
54244232320434
6303203333121
736544062223
oct10270525711
92805465254
101122151369
11526474a29
122739811a1
1314b6383c1
14a9067413
15687ae464
hex42e2abc9

1122151369 has 2 divisors, whose sum is σ = 1122151370. Its totient is φ = 1122151368.

The previous prime is 1122151321. The next prime is 1122151409. The reversal of 1122151369 is 9631512211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1113223225 + 8928144 = 33365^2 + 2988^2 .

It is an emirp because it is prime and its reverse (9631512211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122151369 - 211 = 1122149321 is a prime.

It is a super-2 number, since 2×11221513692 = 2518447389897148322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1122151369.

It is not a weakly prime, because it can be changed into another prime (1122151769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561075684 + 561075685.

It is an arithmetic number, because the mean of its divisors is an integer number (561075685).

Almost surely, 21122151369 is an apocalyptic number.

It is an amenable number.

1122151369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122151369 is an equidigital number, since it uses as much as digits as its factorization.

1122151369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 31.

The square root of 1122151369 is about 33498.5278631763. The cubic root of 1122151369 is about 1039.1633338121.

The spelling of 1122151369 in words is "one billion, one hundred twenty-two million, one hundred fifty-one thousand, three hundred sixty-nine".