125380407 has 4 divisors (see below), whose sum is σ = 167173880. Its totient is φ = 83586936.

The previous prime is 125380361. The next prime is 125380417. The reversal of 125380407 is 704083521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 125380407 - 2¹² = 125376311 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 (125380417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20896732 + ... + 20896737.

It is an arithmetic number, because the mean of its divisors is an integer number (41793470).

Almost surely, 2^125380407 is an apocalyptic number.

125380407 is a deficient number, since it is larger than the sum of its proper divisors (41793473).

125380407 is an equidigital number, since it uses as much as digits as its factorization.

125380407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41793472.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 125380407 is about 11197.3392821688. The cubic root of 125380407 is about 500.5066956789.

The spelling of 125380407 in words is "one hundred twenty-five million, three hundred eighty thousand, four hundred seven".