125420103144599 has 4 divisors (see below), whose sum is σ = 125711101064160. Its totient is φ = 125129105225040.

The previous prime is 125420103144571. The next prime is 125420103144613. The reversal of 125420103144599 is 995441301024521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125420103144599 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 (125420103144529) 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, 145498959134 + ... + 145498959995.

It is an arithmetic number, because the mean of its divisors is an integer number (31427775266040).

Almost surely, 2^{125420103144599} is an apocalyptic number.

125420103144599 is a deficient number, since it is larger than the sum of its proper divisors (290997919561).

125420103144599 is an equidigital number, since it uses as much as digits as its factorization.

125420103144599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290997919560.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 125420103144599 in words is "one hundred twenty-five trillion, four hundred twenty billion, one hundred three million, one hundred forty-four thousand, five hundred ninety-nine".