125627022216721 has 8 divisors (see below), whose sum is σ = 126532426882400. Its totient is φ = 124721640596160.

The previous prime is 125627022216719. The next prime is 125627022216757. The reversal of 125627022216721 is 127612220726521.

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 125627022216721 - 2¹ = 125627022216719 is a prime.

It is a super-2 number, since 2×125627022216721² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125627022216791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5256361 + ... + 16699801.

It is an arithmetic number, because the mean of its divisors is an integer number (15816553360300).

Almost surely, 2^{125627022216721} is an apocalyptic number.

It is an amenable number.

125627022216721 is a deficient number, since it is larger than the sum of its proper divisors (905404665679).

125627022216721 is a wasteful number, since it uses less digits than its factorization.

125627022216721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11522559.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 125627022216721 in words is "one hundred twenty-five trillion, six hundred twenty-seven billion, twenty-two million, two hundred sixteen thousand, seven hundred twenty-one".