Search a number
-
+
1400103121 is a prime number
BaseRepresentation
bin101001101110011…
…1110000011010001
310121120112121102011
41103130332003101
510331411244441
6350533022521
746460452204
oct12334760321
93546477364
101400103121
1165935a21a
12330a84a41
131940b66b1
14d3d3b93b
1582db5581
hex5373e0d1

1400103121 has 2 divisors, whose sum is σ = 1400103122. Its totient is φ = 1400103120.

The previous prime is 1400103097. The next prime is 1400103167. The reversal of 1400103121 is 1213010041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1052094096 + 348009025 = 32436^2 + 18655^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400103121 - 27 = 1400102993 is a prime.

It is not a weakly prime, because it can be changed into another prime (1400103721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700051560 + 700051561.

It is an arithmetic number, because the mean of its divisors is an integer number (700051561).

Almost surely, 21400103121 is an apocalyptic number.

It is an amenable number.

1400103121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1400103121 is an equidigital number, since it uses as much as digits as its factorization.

1400103121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1400103121 is about 37417.9518546914. The cubic root of 1400103121 is about 1118.7164081505.

Adding to 1400103121 its reverse (1213010041), we get a palindrome (2613113162).

The spelling of 1400103121 in words is "one billion, four hundred million, one hundred three thousand, one hundred twenty-one".