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125361231 = 3411019197
BaseRepresentation
bin1110111100011…
…01110001001111
322201220000021120
413132031301033
5224043024411
620234532023
73051360432
oct736156117
9281800246
10125361231
1164843826
1235b97013
131cc83258
1412913819
15b014106
hex778dc4f

125361231 has 8 divisors (see below), whose sum is σ = 171225264. Its totient is φ = 81535680.

The previous prime is 125361139. The next prime is 125361251. The reversal of 125361231 is 132163521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125361231 - 211 = 125359183 is a prime.

It is a super-2 number, since 2×1253612312 = 31430876475670722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125361251) 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 in 7 ways as a sum of consecutive naturals, for example, 509476 + ... + 509721.

It is an arithmetic number, because the mean of its divisors is an integer number (21403158).

Almost surely, 2125361231 is an apocalyptic number.

125361231 is a deficient number, since it is larger than the sum of its proper divisors (45864033).

125361231 is a wasteful number, since it uses less digits than its factorization.

125361231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019241.

The product of its digits is 1080, while the sum is 24.

The square root of 125361231 is about 11196.4829745773. The cubic root of 125361231 is about 500.4811781200.

The spelling of 125361231 in words is "one hundred twenty-five million, three hundred sixty-one thousand, two hundred thirty-one".

Divisors: 1 3 41 123 1019197 3057591 41787077 125361231