Search a number
-
+
1214224121 = 111011092911
BaseRepresentation
bin100100001011111…
…1001011011111001
310010121202222100202
41020113321123321
54441320132441
6320253011545
742042510005
oct11027713371
93117688322
101214224121
11573441610
1229a783bb5
13164734916
14b7393705
15718ea19b
hex485f96f9

1214224121 has 8 divisors (see below), whose sum is σ = 1337724288. Its totient is φ = 1092910000.

The previous prime is 1214224091. The next prime is 1214224129.

1214224121 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1214224121 - 218 = 1213961977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1214224093 and 1214224102.

It is not an unprimeable number, because it can be changed into a prime (1214224129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545345 + ... + 547566.

It is an arithmetic number, because the mean of its divisors is an integer number (167215536).

Almost surely, 21214224121 is an apocalyptic number.

1214224121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1214224121 is a deficient number, since it is larger than the sum of its proper divisors (123500167).

1214224121 is a wasteful number, since it uses less digits than its factorization.

1214224121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093023.

The product of its digits is 256, while the sum is 20.

The square root of 1214224121 is about 34845.7188331651. The cubic root of 1214224121 is about 1066.8408056297.

It can be divided in two parts, 12142 and 24121, that added together give a palindrome (36263).

The spelling of 1214224121 in words is "one billion, two hundred fourteen million, two hundred twenty-four thousand, one hundred twenty-one".

Divisors: 1 11 101 1111 1092911 12022021 110384011 1214224121