125601103 has 4 divisors (see below), whose sum is σ = 125632120. Its totient is φ = 125570088.

The previous prime is 125601101. The next prime is 125601109. The reversal of 125601103 is 301106521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301106521 = 307 ⋅980803.

It is a cyclic number.

It is not a de Polignac number, because 125601103 - 2¹ = 125601101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125601101) 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, 8325 + ... + 17902.

It is an arithmetic number, because the mean of its divisors is an integer number (31408030).

Almost surely, 2^125601103 is an apocalyptic number.

125601103 is a deficient number, since it is larger than the sum of its proper divisors (31017).

125601103 is an equidigital number, since it uses as much as digits as its factorization.

125601103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31016.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 125601103 is about 11207.1897904872. The cubic root of 125601103 is about 500.8001893774.

Adding to 125601103 its reverse (301106521), we get a palindrome (426707624).

The spelling of 125601103 in words is "one hundred twenty-five million, six hundred one thousand, one hundred three".