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125090719 = 131032907
BaseRepresentation
bin1110111010010…
…11101110011111
322201101021012121
413131023232133
5224010400334
620225043411
73046152655
oct735135637
9281337177
10125090719
1164679566
1235a86567
131cbba0a0
1412882dd5
15aeaddb4
hex774bb9f

125090719 has 12 divisors (see below), whose sum is σ = 136183656. Its totient is φ = 114221232.

The previous prime is 125090681. The next prime is 125090753. The reversal of 125090719 is 917090521.

It is not a de Polignac number, because 125090719 - 213 = 125082527 is a prime.

It is a super-2 number, since 2×1250907192 = 31295375959873922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125090789) 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 in 11 ways as a sum of consecutive naturals, for example, 137464 + ... + 138370.

It is an arithmetic number, because the mean of its divisors is an integer number (11348638).

Almost surely, 2125090719 is an apocalyptic number.

125090719 is a deficient number, since it is larger than the sum of its proper divisors (11092937).

125090719 is an equidigital number, since it uses as much as digits as its factorization.

125090719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 125090719 is about 11184.3962286750. The cubic root of 125090719 is about 500.1209294165.

The spelling of 125090719 in words is "one hundred twenty-five million, ninety thousand, seven hundred nineteen".

Divisors: 1 13 103 907 1339 10609 11791 93421 137917 1214473 9622363 125090719