125103401 has 4 divisors (see below), whose sum is σ = 128484612. Its totient is φ = 121722192.

The previous prime is 125103397. The next prime is 125103413. The reversal of 125103401 is 104301521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104301521 = 61 ⋅1709861.

It can be written as a sum of positive squares in 2 ways, for example, as 87403801 + 37699600 = 9349^2 + 6140^2 .

It is a cyclic number.

It is not a de Polignac number, because 125103401 - 2² = 125103397 is a prime.

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 125103401.

It is not an unprimeable number, because it can be changed into a prime (125103481) 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, 1690550 + ... + 1690623.

It is an arithmetic number, because the mean of its divisors is an integer number (32121153).

Almost surely, 2^125103401 is an apocalyptic number.

It is an amenable number.

125103401 is a deficient number, since it is larger than the sum of its proper divisors (3381211).

125103401 is an equidigital number, since it uses as much as digits as its factorization.

125103401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3381210.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 125103401 is about 11184.9631648924. The cubic root of 125103401 is about 500.1378300023.

Adding to 125103401 its reverse (104301521), we get a palindrome (229404922).

The spelling of 125103401 in words is "one hundred twenty-five million, one hundred three thousand, four hundred one".