125413 has 4 divisors (see below), whose sum is σ = 127008. Its totient is φ = 123820.

The previous prime is 125407. The next prime is 125423. The reversal of 125413 is 314521.

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 an emirpimes, since its reverse is a distinct semiprime: 314521 = 409 ⋅769.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125413 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125423) 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, 673 + ... + 838.

It is an arithmetic number, because the mean of its divisors is an integer number (31752).

2¹²⁵⁴¹³ is an apocalyptic number.

It is an amenable number.

125413 is a deficient number, since it is larger than the sum of its proper divisors (1595).

125413 is an equidigital number, since it uses as much as digits as its factorization.

125413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594.

The product of its digits is 120, while the sum is 16.

The square root of 125413 is about 354.1369791479. The cubic root of 125413 is about 50.0550061310.

Adding to 125413 its reverse (314521), we get a palindrome (439934).

It can be divided in two parts, 12541 and 3, that added together give a square (12544 = 112²).

The spelling of 125413 in words is "one hundred twenty-five thousand, four hundred thirteen".