125891994 has 8 divisors (see below), whose sum is σ = 251784000. Its totient is φ = 41963996.

The previous prime is 125891989. The next prime is 125891999. The reversal of 125891994 is 499198521.

It is an interprime number because it is at equal distance from previous prime (125891989) and next prime (125891999).

It is a sphenic number, since it is the product of 3 distinct primes.

125891994 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125891999) 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, 10490994 + ... + 10491005.

It is an arithmetic number, because the mean of its divisors is an integer number (31473000).

Almost surely, 2^125891994 is an apocalyptic number.

125891994 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125891994 is a wasteful number, since it uses less digits than its factorization.

125891994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20982004.

The product of its digits is 233280, while the sum is 48.

The square root of 125891994 is about 11220.1601592847. The cubic root of 125891994 is about 501.1865075061.

The spelling of 125891994 in words is "one hundred twenty-five million, eight hundred ninety-one thousand, nine hundred ninety-four".