10778125 has 12 divisors (see below), whose sum is σ = 13475700. Its totient is φ = 8620000.

The previous prime is 10778123. The next prime is 10778129. The reversal of 10778125 is 52187701.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 10719076 + 59049 = 3274^2 + 243^2 .

It is not a de Polignac number, because 10778125 - 2¹ = 10778123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10778123) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1401 + ... + 4849.

It is an arithmetic number, because the mean of its divisors is an integer number (1122975).

Almost surely, 2^10778125 is an apocalyptic number.

It is an amenable number.

10778125 is a deficient number, since it is larger than the sum of its proper divisors (2697575).

10778125 is an frugal number, since it uses more digits than its factorization.

10778125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474 (or 3454 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 31.

The square root of 10778125 is about 3283.0054827856. The cubic root of 10778125 is about 220.8925516595.

The spelling of 10778125 in words is "ten million, seven hundred seventy-eight thousand, one hundred twenty-five".