Search a number
-
+
120122321 = 1129894231
BaseRepresentation
bin1110010100011…
…10101111010001
322101000211211212
413022032233101
5221222403241
615530345505
72656010564
oct712165721
9271024755
10120122321
1161895750
123428b295
131bb6a7c7
1411d4c4db
15a82bbeb
hex728ebd1

120122321 has 16 divisors (see below), whose sum is σ = 137116800. Its totient is φ = 104227200.

The previous prime is 120122311. The next prime is 120122341. The reversal of 120122321 is 123221021.

It is a happy number.

It is not a de Polignac number, because 120122321 - 26 = 120122257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120122296 and 120122305.

It is not an unprimeable number, because it can be changed into a prime (120122311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26276 + ... + 30506.

It is an arithmetic number, because the mean of its divisors is an integer number (8569800).

Almost surely, 2120122321 is an apocalyptic number.

120122321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120122321 is a deficient number, since it is larger than the sum of its proper divisors (16994479).

120122321 is a wasteful number, since it uses less digits than its factorization.

120122321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 120122321 is about 10960.0328922864. The cubic root of 120122321 is about 493.4099521348.

Adding to 120122321 its reverse (123221021), we get a palindrome (243343342).

The spelling of 120122321 in words is "one hundred twenty million, one hundred twenty-two thousand, three hundred twenty-one".

Divisors: 1 11 29 89 319 979 2581 4231 28391 46541 122699 376559 1349689 4142149 10920211 120122321