125250778 has 8 divisors (see below), whose sum is σ = 196044768. Its totient is φ = 59902524.

The previous prime is 125250767. The next prime is 125250779. The reversal of 125250778 is 877052521.

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

It is not an unprimeable number, because it can be changed into a prime (125250779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1361376 + ... + 1361467.

It is an arithmetic number, because the mean of its divisors is an integer number (24505596).

Almost surely, 2^125250778 is an apocalyptic number.

125250778 is a deficient number, since it is larger than the sum of its proper divisors (70793990).

125250778 is a wasteful number, since it uses less digits than its factorization.

125250778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722868.

The product of its (nonzero) digits is 39200, while the sum is 37.

The square root of 125250778 is about 11191.5494012223. The cubic root of 125250778 is about 500.3341473081.

The spelling of 125250778 in words is "one hundred twenty-five million, two hundred fifty thousand, seven hundred seventy-eight".