125037843887 has 4 divisors (see below), whose sum is σ = 136404920616. Its totient is φ = 113670767160.

The previous prime is 125037843769. The next prime is 125037843899. The reversal of 125037843887 is 788348730521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125037843887 - 2¹⁰ = 125037842863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125037833887) 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, 5683538348 + ... + 5683538369.

It is an arithmetic number, because the mean of its divisors is an integer number (34101230154).

Almost surely, 2^125037843887 is an apocalyptic number.

125037843887 is a deficient number, since it is larger than the sum of its proper divisors (11367076729).

125037843887 is a wasteful number, since it uses less digits than its factorization.

125037843887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11367076728.

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 125037843887 in words is "one hundred twenty-five billion, thirty-seven million, eight hundred forty-three thousand, eight hundred eighty-seven".