125001403 has 8 divisors (see below), whose sum is σ = 127442448. Its totient is φ = 122582784.

The previous prime is 125001367. The next prime is 125001413. The reversal of 125001403 is 304100521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125001403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125001413) 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 7 ways as a sum of consecutive naturals, for example, 5875 + ... + 16867.

It is an arithmetic number, because the mean of its divisors is an integer number (15930306).

Almost surely, 2^125001403 is an apocalyptic number.

125001403 is a deficient number, since it is larger than the sum of its proper divisors (2441045).

125001403 is a wasteful number, since it uses less digits than its factorization.

125001403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11213.

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

The square root of 125001403 is about 11180.4026313903. The cubic root of 125001403 is about 500.0018706597.

Adding to 125001403 its reverse (304100521), we get a palindrome (429101924).

The spelling of 125001403 in words is "one hundred twenty-five million, one thousand, four hundred three".