Search a number
-
+
124130417 = 314004207
BaseRepresentation
bin1110110011000…
…01010001110001
322122120110220212
413121201101301
5223234133132
620152313505
73035043155
oct731412161
9278513825
10124130417
1164083024
12356a2895
131c941c68
14126b3065
15ad6e5b2
hex7661471

124130417 has 4 divisors (see below), whose sum is σ = 128134656. Its totient is φ = 120126180.

The previous prime is 124130393. The next prime is 124130423. The reversal of 124130417 is 714031421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 714031421 = 5197137393.

It is a cyclic number.

It is not a de Polignac number, because 124130417 - 214 = 124114033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 124130392 and 124130401.

It is not an unprimeable number, because it can be changed into a prime (124130437) 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 in 3 ways as a sum of consecutive naturals, for example, 2002073 + ... + 2002134.

It is an arithmetic number, because the mean of its divisors is an integer number (32033664).

Almost surely, 2124130417 is an apocalyptic number.

It is an amenable number.

124130417 is a deficient number, since it is larger than the sum of its proper divisors (4004239).

124130417 is an equidigital number, since it uses as much as digits as its factorization.

124130417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004238.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 124130417 is about 11141.3830829031. The cubic root of 124130417 is about 498.8378569398.

Adding to 124130417 its reverse (714031421), we get a palindrome (838161838).

The spelling of 124130417 in words is "one hundred twenty-four million, one hundred thirty thousand, four hundred seventeen".

Divisors: 1 31 4004207 124130417