125607403 has 4 divisors (see below), whose sum is σ = 127977408. Its totient is φ = 123237400.

The previous prime is 125607389. The next prime is 125607409. The reversal of 125607403 is 304706521.

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

It is a cyclic number.

It is not a de Polignac number, because 125607403 - 2⁵ = 125607371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125607409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1184923 + ... + 1185028.

It is an arithmetic number, because the mean of its divisors is an integer number (31994352).

Almost surely, 2^125607403 is an apocalyptic number.

125607403 is a deficient number, since it is larger than the sum of its proper divisors (2370005).

125607403 is an equidigital number, since it uses as much as digits as its factorization.

125607403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370004.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 125607403 is about 11207.4708565314. The cubic root of 125607403 is about 500.8085624155.

The spelling of 125607403 in words is "one hundred twenty-five million, six hundred seven thousand, four hundred three".