Search a number
-
+
124368449 is a prime number
BaseRepresentation
bin1110110100110…
…11011001000001
322200000120102212
413122123121001
5223314242244
620201351505
73040054142
oct732333101
9280016385
10124368449
1164225947
1235798595
131c9c63ca
1412735ac9
15adb9d9e
hex769b641

124368449 has 2 divisors, whose sum is σ = 124368450. Its totient is φ = 124368448.

The previous prime is 124368371. The next prime is 124368451. The reversal of 124368449 is 944863421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114490000 + 9878449 = 10700^2 + 3143^2 .

It is a cyclic number.

It is not a de Polignac number, because 124368449 - 28 = 124368193 is a prime.

It is a super-2 number, since 2×1243684492 = 30935022213331202, which contains 22 as substring.

Together with 124368451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124368479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62184224 + 62184225.

It is an arithmetic number, because the mean of its divisors is an integer number (62184225).

Almost surely, 2124368449 is an apocalyptic number.

It is an amenable number.

124368449 is a deficient number, since it is larger than the sum of its proper divisors (1).

124368449 is an equidigital number, since it uses as much as digits as its factorization.

124368449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 41.

The square root of 124368449 is about 11152.0603029216. The cubic root of 124368449 is about 499.1565098489.

The spelling of 124368449 in words is "one hundred twenty-four million, three hundred sixty-eight thousand, four hundred forty-nine".