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125548441 is a prime number
BaseRepresentation
bin1110111101110…
…11011110011001
322202020112002021
413132323132121
5224120022231
620242534441
73053100304
oct736733631
9282215067
10125548441
1164961447
1236067421
132001a525
1412961b3b
15b04e811
hex77bb799

125548441 has 2 divisors, whose sum is σ = 125548442. Its totient is φ = 125548440.

The previous prime is 125548391. The next prime is 125548457. The reversal of 125548441 is 144845521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125350416 + 198025 = 11196^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 125548441 - 225 = 91994009 is a prime.

It is a super-2 number, since 2×1255484412 = 31524822075060962, which contains 22 as substring.

It is equal to p7139536 and since 125548441 and 7139536 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 125548397 and 125548406.

It is not a weakly prime, because it can be changed into another prime (125543441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62774220 + 62774221.

It is an arithmetic number, because the mean of its divisors is an integer number (62774221).

Almost surely, 2125548441 is an apocalyptic number.

It is an amenable number.

125548441 is a deficient number, since it is larger than the sum of its proper divisors (1).

125548441 is an equidigital number, since it uses as much as digits as its factorization.

125548441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25600, while the sum is 34.

The square root of 125548441 is about 11204.8400702554. The cubic root of 125548441 is about 500.7301877991.

The spelling of 125548441 in words is "one hundred twenty-five million, five hundred forty-eight thousand, four hundred forty-one".