Base | Representation |
---|---|
bin | 1110111001000… |
… | …10010001101001 |
3 | 22201001122022101 |
4 | 13130202101221 |
5 | 223434432222 |
6 | 20221253401 |
7 | 3044544661 |
oct | 734422151 |
9 | 281048271 |
10 | 124920937 |
11 | 64572a49 |
12 | 35a04261 |
13 | 1cb5aa1b |
14 | 1283b1a1 |
15 | ae78927 |
hex | 7722469 |
124920937 has 2 divisors, whose sum is σ = 124920938. Its totient is φ = 124920936.
The previous prime is 124920931. The next prime is 124920949. The reversal of 124920937 is 739029421.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 88003161 + 36917776 = 9381^2 + 6076^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-124920937 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 124920896 and 124920905.
It is not a weakly prime, because it can be changed into another prime (124920931) 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, 62460468 + 62460469.
It is an arithmetic number, because the mean of its divisors is an integer number (62460469).
Almost surely, 2124920937 is an apocalyptic number.
It is an amenable number.
124920937 is a deficient number, since it is larger than the sum of its proper divisors (1).
124920937 is an equidigital number, since it uses as much as digits as its factorization.
124920937 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 27216, while the sum is 37.
The square root of 124920937 is about 11176.8035233693. The cubic root of 124920937 is about 499.8945604332.
The spelling of 124920937 in words is "one hundred twenty-four million, nine hundred twenty thousand, nine hundred thirty-seven".
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