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125422331 is a prime number
BaseRepresentation
bin1110111100111…
…00101011111011
322202000010002112
413132130223323
5224102003311
620240122535
73052033526
oct736345373
9282003075
10125422331
1164885721
123600644b
131cca4cc8
141292bbbd
15b02728b
hex779cafb

125422331 has 2 divisors, whose sum is σ = 125422332. Its totient is φ = 125422330.

The previous prime is 125422309. The next prime is 125422343. The reversal of 125422331 is 133224521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125422331 - 226 = 58313467 is a prime.

It is a super-2 number, since 2×1254223312 = 31461522226947122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 125422297 and 125422306.

It is not a weakly prime, because it can be changed into another prime (125422351) 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, 62711165 + 62711166.

It is an arithmetic number, because the mean of its divisors is an integer number (62711166).

Almost surely, 2125422331 is an apocalyptic number.

125422331 is a deficient number, since it is larger than the sum of its proper divisors (1).

125422331 is an equidigital number, since it uses as much as digits as its factorization.

125422331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 23.

The square root of 125422331 is about 11199.2111775785. The cubic root of 125422331 is about 500.5624750065.

Adding to 125422331 its reverse (133224521), we get a palindrome (258646852).

The spelling of 125422331 in words is "one hundred twenty-five million, four hundred twenty-two thousand, three hundred thirty-one".