Search a number
-
+
124012420247 is a prime number
BaseRepresentation
bin111001101111110110…
…1110101110010010111
3102212002122020200022202
41303133231311302113
54012434134421442
6132545344315115
711650100115422
oct1633755656227
9385078220282
10124012420247
1148658861911
122004b612a9b
13b904567131
1460061b09b9
15335c380c32
hex1cdfb75c97

124012420247 has 2 divisors, whose sum is σ = 124012420248. Its totient is φ = 124012420246.

The previous prime is 124012420229. The next prime is 124012420283. The reversal of 124012420247 is 742024210421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124012420247 - 28 = 124012419991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124012425247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62006210123 + 62006210124.

It is an arithmetic number, because the mean of its divisors is an integer number (62006210124).

Almost surely, 2124012420247 is an apocalyptic number.

124012420247 is a deficient number, since it is larger than the sum of its proper divisors (1).

124012420247 is an equidigital number, since it uses as much as digits as its factorization.

124012420247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 29.

Adding to 124012420247 its reverse (742024210421), we get a palindrome (866036630668).

The spelling of 124012420247 in words is "one hundred twenty-four billion, twelve million, four hundred twenty thousand, two hundred forty-seven".