125411403 has 16 divisors (see below), whose sum is σ = 183133440. Its totient is φ = 75866784.

The previous prime is 125411393. The next prime is 125411441. The reversal of 125411403 is 304114521.

125411403 is nontrivially palindromic in base 12.

It is not a de Polignac number, because 125411403 - 2²¹ = 123314251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125411403.

It is not an unprimeable number, because it can be changed into a prime (125411453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24951 + ... + 29552.

It is an arithmetic number, because the mean of its divisors is an integer number (11445840).

Almost surely, 2^125411403 is an apocalyptic number.

125411403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

125411403 is a deficient number, since it is larger than the sum of its proper divisors (57722037).

125411403 is a wasteful number, since it uses less digits than its factorization.

125411403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54578.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 125411403 is about 11198.7232754453. The cubic root of 125411403 is about 500.5479366449.

Adding to 125411403 its reverse (304114521), we get a palindrome (429525924).

The spelling of 125411403 in words is "one hundred twenty-five million, four hundred eleven thousand, four hundred three".