Search a number
-
+
1003102121 = 7149961747
BaseRepresentation
bin111011110010100…
…001111110101001
32120220111212102102
4323302201332221
54023243231441
6243311543145
733600140660
oct7362417651
92526455372
101003102121
1147525251a
1223bb2aab5
1312ca85168
1497317dd7
155d0e569b
hex3bca1fa9

1003102121 has 8 divisors (see below), whose sum is σ = 1154097600. Its totient is φ = 854030448.

The previous prime is 1003102109. The next prime is 1003102127. The reversal of 1003102121 is 1212013001.

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 1003102121 - 26 = 1003102057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1003102127) 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, 479831 + ... + 481916.

It is an arithmetic number, because the mean of its divisors is an integer number (144262200).

Almost surely, 21003102121 is an apocalyptic number.

It is an amenable number.

1003102121 is a deficient number, since it is larger than the sum of its proper divisors (150995479).

1003102121 is an equidigital number, since it uses as much as digits as its factorization.

1003102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961903.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1003102121 is about 31671.7874613985. The cubic root of 1003102121 is about 1001.0329729328.

Adding to 1003102121 its reverse (1212013001), we get a palindrome (2215115122).

The spelling of 1003102121 in words is "one billion, three million, one hundred two thousand, one hundred twenty-one".

Divisors: 1 7 149 1043 961747 6732229 143300303 1003102121