Search a number
-
+
1121422207 is a prime number
BaseRepresentation
bin100001011010111…
…1000101101111111
32220011011011001211
41002311320231333
54244041002312
6303135545251
736534634333
oct10265705577
92804134054
101121422207
11526017114
1227368b227
1314b441549
14a8d177c3
15686b83a7
hex42d78b7f

1121422207 has 2 divisors, whose sum is σ = 1121422208. Its totient is φ = 1121422206.

The previous prime is 1121422189. The next prime is 1121422249. The reversal of 1121422207 is 7022241211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1121422207 - 215 = 1121389439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121422297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560711103 + 560711104.

It is an arithmetic number, because the mean of its divisors is an integer number (560711104).

Almost surely, 21121422207 is an apocalyptic number.

1121422207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121422207 is an equidigital number, since it uses as much as digits as its factorization.

1121422207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1121422207 is about 33487.6426014134. The cubic root of 1121422207 is about 1038.9382059568.

Adding to 1121422207 its reverse (7022241211), we get a palindrome (8143663418).

The spelling of 1121422207 in words is "one billion, one hundred twenty-one million, four hundred twenty-two thousand, two hundred seven".