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125352719 is a prime number
BaseRepresentation
bin1110111100010…
…11101100001111
322201212120121022
413132023230033
5224042241334
620234424355
73051323552
oct736135417
9281776538
10125352719
1164838398
1235b920bb
131cc7c40b
1412910699
15b01182e
hex778bb0f

125352719 has 2 divisors, whose sum is σ = 125352720. Its totient is φ = 125352718.

The previous prime is 125352677. The next prime is 125352739. The reversal of 125352719 is 917253521.

It is a strong prime.

It is an emirp because it is prime and its reverse (917253521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125352719 is a prime.

It is a super-2 number, since 2×1253527192 = 31426608321385922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125352739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62676359 + 62676360.

It is an arithmetic number, because the mean of its divisors is an integer number (62676360).

Almost surely, 2125352719 is an apocalyptic number.

125352719 is a deficient number, since it is larger than the sum of its proper divisors (1).

125352719 is an equidigital number, since it uses as much as digits as its factorization.

125352719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 35.

The square root of 125352719 is about 11196.1028487595. The cubic root of 125352719 is about 500.4698503430.

The spelling of 125352719 in words is "one hundred twenty-five million, three hundred fifty-two thousand, seven hundred nineteen".