125021468617 has 4 divisors (see below), whose sum is σ = 125069947920. Its totient is φ = 124972989316.

The previous prime is 125021468587. The next prime is 125021468639. The reversal of 125021468617 is 716864120521.

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: 716864120521 = 2677 ⋅267786373.

It is a cyclic number.

It is not a de Polignac number, because 125021468617 - 2¹¹ = 125021466569 is a prime.

It is a super-3 number, since 3×125021468617³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125021468417) 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, 24235783 + ... + 24240940.

It is an arithmetic number, because the mean of its divisors is an integer number (31267486980).

Almost surely, 2^125021468617 is an apocalyptic number.

It is an amenable number.

125021468617 is a deficient number, since it is larger than the sum of its proper divisors (48479303).

125021468617 is an equidigital number, since it uses as much as digits as its factorization.

125021468617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48479302.

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 125021468617 in words is "one hundred twenty-five billion, twenty-one million, four hundred sixty-eight thousand, six hundred seventeen".