125045023219 has 4 divisors (see below), whose sum is σ = 125122548096. Its totient is φ = 124967498344.

The previous prime is 125045023211. The next prime is 125045023253. The reversal of 125045023219 is 912320540521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 912320540521 = 13 ⋅70178503117.

It is a cyclic number.

It is not a de Polignac number, because 125045023219 - 2³ = 125045023211 is a prime.

It is a super-2 number, since 2×125045023219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125045023211) 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, 38760019 + ... + 38763244.

It is an arithmetic number, because the mean of its divisors is an integer number (31280637024).

Almost surely, 2^125045023219 is an apocalyptic number.

125045023219 is a deficient number, since it is larger than the sum of its proper divisors (77524877).

125045023219 is an equidigital number, since it uses as much as digits as its factorization.

125045023219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77524876.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 125045023219 in words is "one hundred twenty-five billion, forty-five million, twenty-three thousand, two hundred nineteen".