125342416401 has 4 divisors (see below), whose sum is σ = 167123221872. Its totient is φ = 83561610932.

The previous prime is 125342416391. The next prime is 125342416403. The reversal of 125342416401 is 104614243521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104614243521 = 3 ⋅34871414507.

It is a cyclic number.

It is not a de Polignac number, because 125342416401 - 2¹³ = 125342408209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125342416403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20890402731 + ... + 20890402736.

It is an arithmetic number, because the mean of its divisors is an integer number (41780805468).

Almost surely, 2^125342416401 is an apocalyptic number.

It is an amenable number.

125342416401 is a deficient number, since it is larger than the sum of its proper divisors (41780805471).

125342416401 is an equidigital number, since it uses as much as digits as its factorization.

125342416401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41780805470.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 125342416401 its reverse (104614243521), we get a palindrome (229956659922).

The spelling of 125342416401 in words is "one hundred twenty-five billion, three hundred forty-two million, four hundred sixteen thousand, four hundred one".