125982278 has 8 divisors (see below), whose sum is σ = 192994272. Its totient is φ = 61650856.

The previous prime is 125982271. The next prime is 125982341. The reversal of 125982278 is 872289521.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125982271) 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, 670025 + ... + 670212.

It is an arithmetic number, because the mean of its divisors is an integer number (24124284).

Almost surely, 2^125982278 is an apocalyptic number.

125982278 is a deficient number, since it is larger than the sum of its proper divisors (67011994).

125982278 is a wasteful number, since it uses less digits than its factorization.

125982278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340286.

The product of its digits is 161280, while the sum is 44.

The square root of 125982278 is about 11224.1827319409. The cubic root of 125982278 is about 501.3062882500.

The spelling of 125982278 in words is "one hundred twenty-five million, nine hundred eighty-two thousand, two hundred seventy-eight".