125670071 has 4 divisors (see below), whose sum is σ = 127440144. Its totient is φ = 123900000.

The previous prime is 125670053. The next prime is 125670121. The reversal of 125670071 is 170076521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170076521 = 691 ⋅246131.

It is a cyclic number.

It is not a de Polignac number, because 125670071 - 2⁶ = 125670007 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 (125670031) 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, 884930 + ... + 885071.

It is an arithmetic number, because the mean of its divisors is an integer number (31860036).

Almost surely, 2^125670071 is an apocalyptic number.

125670071 is a deficient number, since it is larger than the sum of its proper divisors (1770073).

125670071 is an equidigital number, since it uses as much as digits as its factorization.

125670071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770072.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 125670071 is about 11210.2663215465. The cubic root of 125670071 is about 500.8918363102.

The spelling of 125670071 in words is "one hundred twenty-five million, six hundred seventy thousand, seventy-one".