125850778 has 8 divisors (see below), whose sum is σ = 195285780. Its totient is φ = 60755520.

The previous prime is 125850761. The next prime is 125850787. The reversal of 125850778 is 877058521.

It can be written as a sum of positive squares in 2 ways, for example, as 124255609 + 1595169 = 11147^2 + 1263^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084863 + ... + 1084978.

Almost surely, 2^125850778 is an apocalyptic number.

125850778 is a deficient number, since it is larger than the sum of its proper divisors (69435002).

125850778 is a wasteful number, since it uses less digits than its factorization.

125850778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169872.

The product of its (nonzero) digits is 156800, while the sum is 43.

The square root of 125850778 is about 11218.3233150057. The cubic root of 125850778 is about 501.1318067605.

The spelling of 125850778 in words is "one hundred twenty-five million, eight hundred fifty thousand, seven hundred seventy-eight".