• 125986² = 15872472196 is an anagram of the next square 125987² = 15872724169.

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125986 has 8 divisors (see below), whose sum is σ = 216000. Its totient is φ = 53988.

The previous prime is 125963. The next prime is 126001. The reversal of 125986 is 689521.

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

It is an unprimeable number.

125986 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4486 + ... + 4513.

It is an arithmetic number, because the mean of its divisors is an integer number (27000).

2¹²⁵⁹⁸⁶ is an apocalyptic number.

125986 is a deficient number, since it is larger than the sum of its proper divisors (90014).

125986 is an equidigital number, since it uses as much as digits as its factorization.

125986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9008.

The product of its digits is 4320, while the sum is 31.

The square root of 125986 is about 354.9450661722. The cubic root of 125986 is about 50.1311225039.

It can be divided in two parts, 125 and 986, that added together give a palindrome (1111).

The spelling of 125986 in words is "one hundred twenty-five thousand, nine hundred eighty-six".