Search a number
-
+
124748161 is a prime number
BaseRepresentation
bin1110110111110…
…00000110000001
322200201212022021
413123320012001
5223413420121
620213441441
73043225156
oct733700601
9280655267
10124748161
116446515a
1235940281
131caca1a5
14127d422d
15ae42641
hex76f8181

124748161 has 2 divisors, whose sum is σ = 124748162. Its totient is φ = 124748160.

The previous prime is 124748101. The next prime is 124748219. The reversal of 124748161 is 161847421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124746561 + 1600 = 11169^2 + 40^2 .

It is an emirp because it is prime and its reverse (161847421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124748161 - 27 = 124748033 is a prime.

It is not a weakly prime, because it can be changed into another prime (124748101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62374080 + 62374081.

It is an arithmetic number, because the mean of its divisors is an integer number (62374081).

Almost surely, 2124748161 is an apocalyptic number.

It is an amenable number.

124748161 is a deficient number, since it is larger than the sum of its proper divisors (1).

124748161 is an equidigital number, since it uses as much as digits as its factorization.

124748161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 34.

The square root of 124748161 is about 11169.0716265946. The cubic root of 124748161 is about 499.6639889103.

The spelling of 124748161 in words is "one hundred twenty-four million, seven hundred forty-eight thousand, one hundred sixty-one".