125992071 has 8 divisors (see below), whose sum is σ = 186654960. Its totient is φ = 83994696.

The previous prime is 125992033. The next prime is 125992079. The reversal of 125992071 is 170299521.

It is not a de Polignac number, because 125992071 - 2¹¹ = 125990023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125992079) 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, 2333160 + ... + 2333213.

It is an arithmetic number, because the mean of its divisors is an integer number (23331870).

Almost surely, 2^125992071 is an apocalyptic number.

125992071 is a deficient number, since it is larger than the sum of its proper divisors (60662889).

125992071 is an equidigital number, since it uses as much as digits as its factorization.

125992071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4666382 (or 4666376 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 125992071 is about 11224.6189690341. The cubic root of 125992071 is about 501.3192772866.

The spelling of 125992071 in words is "one hundred twenty-five million, nine hundred ninety-two thousand, seventy-one".