Search a number
-
+
1110223121 = 71514432371
BaseRepresentation
bin100001000101100…
…1010100100010001
32212101002011210212
41002023022210101
54233204114441
6302055533505
736340512050
oct10213124421
92771064725
101110223121
1151a768077
1226b98a295
1314901cc77
14a7640397
1567704eeb
hex422ca911

1110223121 has 16 divisors (see below), whose sum is σ = 1280652288. Its totient is φ = 942786000.

The previous prime is 1110223111. The next prime is 1110223123. The reversal of 1110223121 is 1213220111.

It is a cyclic number.

It is not a de Polignac number, because 1110223121 - 210 = 1110222097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110223096 and 1110223105.

It is not an unprimeable number, because it can be changed into a prime (1110223123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467066 + ... + 469436.

It is an arithmetic number, because the mean of its divisors is an integer number (80040768).

Almost surely, 21110223121 is an apocalyptic number.

It is an amenable number.

1110223121 is a deficient number, since it is larger than the sum of its proper divisors (170429167).

1110223121 is a wasteful number, since it uses less digits than its factorization.

1110223121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2972.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1110223121 is about 33320.0108193260. The cubic root of 1110223121 is about 1035.4681759408.

Adding to 1110223121 its reverse (1213220111), we get a palindrome (2323443232).

The spelling of 1110223121 in words is "one billion, one hundred ten million, two hundred twenty-three thousand, one hundred twenty-one".

Divisors: 1 7 151 443 1057 2371 3101 16597 66893 358021 468251 1050353 2506147 7352471 158603303 1110223121