125782 has 8 divisors (see below), whose sum is σ = 191952. Its totient is φ = 61800.

The previous prime is 125777. The next prime is 125789. The reversal of 125782 is 287521.

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

It is a super-2 number, since 2×125782² = 31642223048, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394 + ... + 637.

It is an arithmetic number, because the mean of its divisors is an integer number (23994).

2¹²⁵⁷⁸² is an apocalyptic number.

125782 is a deficient number, since it is larger than the sum of its proper divisors (66170).

125782 is a wasteful number, since it uses less digits than its factorization.

125782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094.

The product of its digits is 1120, while the sum is 25.

The square root of 125782 is about 354.6575813373. The cubic root of 125782 is about 50.1040499885.

The spelling of 125782 in words is "one hundred twenty-five thousand, seven hundred eighty-two".