125461 has 4 divisors (see below), whose sum is σ = 143392. Its totient is φ = 107532.

The previous prime is 125453. The next prime is 125471. The reversal of 125461 is 164521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125461 - 2³ = 125453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8955 + ... + 8968.

It is an arithmetic number, because the mean of its divisors is an integer number (35848).

2¹²⁵⁴⁶¹ is an apocalyptic number.

125461 is the 205-th hex number.

It is an amenable number.

125461 is a deficient number, since it is larger than the sum of its proper divisors (17931).

125461 is an equidigital number, since it uses as much as digits as its factorization.

125461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17930.

The product of its digits is 240, while the sum is 19.

The square root of 125461 is about 354.2047430512. The cubic root of 125461 is about 50.0613912581.

Adding to 125461 its reverse (164521), we get a palindrome (289982).

Subtracting 125461 from its reverse (164521), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 125461 in words is "one hundred twenty-five thousand, four hundred sixty-one".