125838452947081 has 8 divisors (see below), whose sum is σ = 151384605049280. Its totient is φ = 102184608408048.

The previous prime is 125838452947021. The next prime is 125838452947091. The reversal of 125838452947081 is 180749254838521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125838452947081 - 2²³ = 125838444558473 is a prime.

It is a super-2 number, since 2×125838452947081² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125838452946998 and 125838452947016.

It is not an unprimeable number, because it can be changed into a prime (125838452947001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473076890646 + ... + 473076890911.

It is an arithmetic number, because the mean of its divisors is an integer number (18923075631160).

Almost surely, 2^{125838452947081} is an apocalyptic number.

It is an amenable number.

125838452947081 is a deficient number, since it is larger than the sum of its proper divisors (25546152102199).

125838452947081 is an equidigital number, since it uses as much as digits as its factorization.

125838452947081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946153781583.

The product of its (nonzero) digits is 154828800, while the sum is 67.

The spelling of 125838452947081 in words is "one hundred twenty-five trillion, eight hundred thirty-eight billion, four hundred fifty-two million, nine hundred forty-seven thousand, eighty-one".