Search a number
-
+
121222003 = 734495021
BaseRepresentation
bin1110011100110…
…11001101110011
322110002201022211
413032123031303
5222013101003
620010112551
73001240630
oct716331563
9273081284
10121222003
1162476981
123471b757
131c1641c6
1412157187
15a99796d
hex739b373

121222003 has 8 divisors (see below), whose sum is σ = 138607200. Its totient is φ = 103853760.

The previous prime is 121221979. The next prime is 121222007. The reversal of 121222003 is 300222121.

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 121222003 - 213 = 121213811 is a prime.

It is a super-2 number, since 2×1212220032 = 29389548022664018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121222007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21633 + ... + 26653.

It is an arithmetic number, because the mean of its divisors is an integer number (17325900).

Almost surely, 2121222003 is an apocalyptic number.

121222003 is a deficient number, since it is larger than the sum of its proper divisors (17385197).

121222003 is an equidigital number, since it uses as much as digits as its factorization.

121222003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8477.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 121222003 is about 11010.0864210959. The cubic root of 121222003 is about 494.9110515956.

Adding to 121222003 its reverse (300222121), we get a palindrome (421444124).

The spelling of 121222003 in words is "one hundred twenty-one million, two hundred twenty-two thousand, three".

Divisors: 1 7 3449 5021 24143 35147 17317429 121222003