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125971033 is a prime number
BaseRepresentation
bin1111000001000…
…10101001011001
322210000222202211
413200202221121
5224222033113
620255555121
73056510326
oct740425131
9283028684
10125971033
116511a9a1
123622baa1
1320137996
1412a31b4d
15b0d4b3d
hex7822a59

125971033 has 2 divisors, whose sum is σ = 125971034. Its totient is φ = 125971032.

The previous prime is 125971031. The next prime is 125971049. The reversal of 125971033 is 330179521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114661264 + 11309769 = 10708^2 + 3363^2 .

It is a cyclic number.

It is not a de Polignac number, because 125971033 - 21 = 125971031 is a prime.

Together with 125971031, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 125970986 and 125971004.

It is not a weakly prime, because it can be changed into another prime (125971031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62985516 + 62985517.

It is an arithmetic number, because the mean of its divisors is an integer number (62985517).

Almost surely, 2125971033 is an apocalyptic number.

It is an amenable number.

125971033 is a deficient number, since it is larger than the sum of its proper divisors (1).

125971033 is an equidigital number, since it uses as much as digits as its factorization.

125971033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 125971033 is about 11223.6817934223. The cubic root of 125971033 is about 501.2913725094.

The spelling of 125971033 in words is "one hundred twenty-five million, nine hundred seventy-one thousand, thirty-three".