125049 has 8 divisors (see below), whose sum is σ = 169312. Its totient is φ = 82080.

The previous prime is 125029. The next prime is 125053. The reversal of 125049 is 940521.

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

It is not a de Polignac number, because 125049 - 2⁵ = 125017 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67 + ... + 504.

It is an arithmetic number, because the mean of its divisors is an integer number (21164).

125049 is a Friedman number, since it can be written as 50^(2+1)+49, using all its digits and the basic arithmetic operations.

2¹²⁵⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

125049 is a deficient number, since it is larger than the sum of its proper divisors (44263).

125049 is an equidigital number, since it uses as much as digits as its factorization.

125049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 125049 is about 353.6226802681. The cubic root of 125049 is about 50.0065324798.

The spelling of 125049 in words is "one hundred twenty-five thousand, forty-nine".