125546 has 4 divisors (see below), whose sum is σ = 188322. Its totient is φ = 62772.

The previous prime is 125539. The next prime is 125551. The reversal of 125546 is 645521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 83521 + 42025 = 289^2 + 205^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31385 + ... + 31388.

2¹²⁵⁵⁴⁶ is an apocalyptic number.

125546 is a deficient number, since it is larger than the sum of its proper divisors (62776).

125546 is an equidigital number, since it uses as much as digits as its factorization.

125546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62775.

The product of its digits is 1200, while the sum is 23.

The square root of 125546 is about 354.3247098355. The cubic root of 125546 is about 50.0726942597.

The spelling of 125546 in words is "one hundred twenty-five thousand, five hundred forty-six".