125340403 has 12 divisors (see below), whose sum is σ = 129514464. Its totient is φ = 121294400.

The previous prime is 125340401. The next prime is 125340427. The reversal of 125340403 is 304043521.

It is not a de Polignac number, because 125340403 - 2¹ = 125340401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125340401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 290598 + ... + 291028.

It is an arithmetic number, because the mean of its divisors is an integer number (10792872).

Almost surely, 2^125340403 is an apocalyptic number.

125340403 is a deficient number, since it is larger than the sum of its proper divisors (4174061).

125340403 is an equidigital number, since it uses as much as digits as its factorization.

125340403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 125340403 is about 11195.5528224380. The cubic root of 125340403 is about 500.4534592917.

Adding to 125340403 its reverse (304043521), we get a palindrome (429383924).

The spelling of 125340403 in words is "one hundred twenty-five million, three hundred forty thousand, four hundred three".