125445301403 has 4 divisors (see below), whose sum is σ = 125501989248. Its totient is φ = 125388613560.

The previous prime is 125445301393. The next prime is 125445301427. The reversal of 125445301403 is 304103544521.

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 125445301403 - 2⁸ = 125445301147 is a prime.

It is a super-3 number, since 3×125445301403³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125445301403.

It is not an unprimeable number, because it can be changed into a prime (125445301483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28340603 + ... + 28345028.

It is an arithmetic number, because the mean of its divisors is an integer number (31375497312).

Almost surely, 2^125445301403 is an apocalyptic number.

125445301403 is a deficient number, since it is larger than the sum of its proper divisors (56687845).

125445301403 is an equidigital number, since it uses as much as digits as its factorization.

125445301403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56687844.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 125445301403 its reverse (304103544521), we get a palindrome (429548845924).

The spelling of 125445301403 in words is "one hundred twenty-five billion, four hundred forty-five million, three hundred one thousand, four hundred three".