125247426424642 has 16 divisors (see below), whose sum is σ = 190518235401600. Its totient is φ = 61741357433280.

The previous prime is 125247426424639. The next prime is 125247426424643. The reversal of 125247426424642 is 246424624742521.

It is a super-2 number, since 2×125247426424642² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125247426424643) 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, 25293034 + ... + 29836762.

It is an arithmetic number, because the mean of its divisors is an integer number (11907389712600).

Almost surely, 2^{125247426424642} is an apocalyptic number.

125247426424642 is a deficient number, since it is larger than the sum of its proper divisors (65270808976958).

125247426424642 is a wasteful number, since it uses less digits than its factorization.

125247426424642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737921.

The product of its digits is 41287680, while the sum is 55.

The spelling of 125247426424642 in words is "one hundred twenty-five trillion, two hundred forty-seven billion, four hundred twenty-six million, four hundred twenty-four thousand, six hundred forty-two".