125407 has 2 divisors, whose sum is σ = 125408. Its totient is φ = 125406.

The previous prime is 125399. The next prime is 125423. The reversal of 125407 is 704521.

It is a weak prime.

It is an emirp because it is prime and its reverse (704521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125407 - 2³ = 125399 is a prime.

125407 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62703 + 62704.

It is an arithmetic number, because the mean of its divisors is an integer number (62704).

2¹²⁵⁴⁰⁷ is an apocalyptic number.

125407 is a deficient number, since it is larger than the sum of its proper divisors (1).

125407 is an equidigital number, since it uses as much as digits as its factorization.

125407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 125407 is about 354.1285077482. The cubic root of 125407 is about 50.0542078756.

Adding to 125407 its reverse (704521), we get a palindrome (829928).

The spelling of 125407 in words is "one hundred twenty-five thousand, four hundred seven".