Search a number
-
+
1348008121 is a prime number
BaseRepresentation
bin101000001011000…
…1111100010111001
310110221111220111201
41100112033202321
510230042224441
6341432254201
745255610555
oct12026174271
93427456451
101348008121
11631a084a9
12317541361
13186376855
14cb05a865
157d524c31
hex5058f8b9

1348008121 has 2 divisors, whose sum is σ = 1348008122. Its totient is φ = 1348008120.

The previous prime is 1348008119. The next prime is 1348008133. The reversal of 1348008121 is 1218008431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1253160000 + 94848121 = 35400^2 + 9739^2 .

It is a cyclic number.

It is not a de Polignac number, because 1348008121 - 21 = 1348008119 is a prime.

Together with 1348008119, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1348008121.

It is not a weakly prime, because it can be changed into another prime (1348008821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674004060 + 674004061.

It is an arithmetic number, because the mean of its divisors is an integer number (674004061).

Almost surely, 21348008121 is an apocalyptic number.

It is an amenable number.

1348008121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1348008121 is an equidigital number, since it uses as much as digits as its factorization.

1348008121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1348008121 is about 36715.2300959697. The cubic root of 1348008121 is about 1104.6656157403.

The spelling of 1348008121 in words is "one billion, three hundred forty-eight million, eight thousand, one hundred twenty-one".