125127775139 has 8 divisors (see below), whose sum is σ = 125474214000. Its totient is φ = 124781422752.

The previous prime is 125127775121. The next prime is 125127775147. The reversal of 125127775139 is 931577721521.

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 125127775139 - 2⁸ = 125127774883 is a prime.

It is a super-2 number, since 2×125127775139² (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 (125127775169) 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, 3799757 + ... + 3832545.

It is an arithmetic number, because the mean of its divisors is an integer number (15684276750).

Almost surely, 2^125127775139 is an apocalyptic number.

125127775139 is a deficient number, since it is larger than the sum of its proper divisors (346438861).

125127775139 is a wasteful number, since it uses less digits than its factorization.

125127775139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43237.

The product of its digits is 926100, while the sum is 50.

The spelling of 125127775139 in words is "one hundred twenty-five billion, one hundred twenty-seven million, seven hundred seventy-five thousand, one hundred thirty-nine".