125449 has 4 divisors (see below), whose sum is σ = 126160. Its totient is φ = 124740.

The previous prime is 125441. The next prime is 125453. The reversal of 125449 is 944521.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 125449 - 2³ = 125441 is a prime.

It is a Duffinian 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, 142 + ... + 520.

It is an arithmetic number, because the mean of its divisors is an integer number (31540).

2¹²⁵⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

125449 is a deficient number, since it is larger than the sum of its proper divisors (711).

125449 is an equidigital number, since it uses as much as digits as its factorization.

125449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710.

The product of its digits is 1440, while the sum is 25.

The square root of 125449 is about 354.1878032909. The cubic root of 125449 is about 50.0597951290.

It can be divided in two parts, 12544 and 9, that multiplied together give a square (112896 = 336²).

The spelling of 125449 in words is "one hundred twenty-five thousand, four hundred forty-nine".