125572071707 has 4 divisors (see below), whose sum is σ = 125607121920. Its totient is φ = 125537021496.

The previous prime is 125572071683. The next prime is 125572071727. The reversal of 125572071707 is 707170275521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 707170275521 = 139 ⋅5087555939.

It is a cyclic number.

It is not a de Polignac number, because 125572071707 - 2¹⁰ = 125572070683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125572071727) 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, 17519732 + ... + 17526897.

It is an arithmetic number, because the mean of its divisors is an integer number (31401780480).

Almost surely, 2^125572071707 is an apocalyptic number.

125572071707 is a deficient number, since it is larger than the sum of its proper divisors (35050213).

125572071707 is an equidigital number, since it uses as much as digits as its factorization.

125572071707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35050212.

The product of its (nonzero) digits is 240100, while the sum is 44.

The spelling of 125572071707 in words is "one hundred twenty-five billion, five hundred seventy-two million, seventy-one thousand, seven hundred seven".