Search a number
-
+
125959231 = 312131071
BaseRepresentation
bin1111000000111…
…11110000111111
322210000101120201
413200133300333
5224221143411
620255424331
73056431036
oct740376077
9283011521
10125959231
1165112042
12362250a7
13201324b8
1412a2b71d
15b0d13c1
hex781fc3f

125959231 has 6 divisors (see below), whose sum is σ = 130154496. Its totient is φ = 121895100.

The previous prime is 125959219. The next prime is 125959241. The reversal of 125959231 is 132959521.

It is not a de Polignac number, because 125959231 - 29 = 125958719 is a prime.

It is a super-2 number, since 2×1259592312 = 31731455748222722, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125959241) 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 5 ways as a sum of consecutive naturals, for example, 64575 + ... + 66496.

It is an arithmetic number, because the mean of its divisors is an integer number (21692416).

Almost surely, 2125959231 is an apocalyptic number.

125959231 is a deficient number, since it is larger than the sum of its proper divisors (4195265).

125959231 is an equidigital number, since it uses as much as digits as its factorization.

125959231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131133 (or 131102 counting only the distinct ones).

The product of its digits is 24300, while the sum is 37.

The square root of 125959231 is about 11223.1560178053. The cubic root of 125959231 is about 501.2757169908.

The spelling of 125959231 in words is "one hundred twenty-five million, nine hundred fifty-nine thousand, two hundred thirty-one".

Divisors: 1 31 961 131071 4063201 125959231