1125178713 has 6 divisors (see below), whose sum is σ = 1625258154. Its totient is φ = 750119136.

The previous prime is 1125178661. The next prime is 1125178741. The reversal of 1125178713 is 3178715211.

It can be written as a sum of positive squares in only one way, i.e., 892097424 + 233081289 = 29868^2 + 15267^2 .

It is not a de Polignac number, because 1125178713 - 2²² = 1120984409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1125178753) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 62509920 + ... + 62509937.

It is an arithmetic number, because the mean of its divisors is an integer number (270876359).

Almost surely, 2^1125178713 is an apocalyptic number.

It is an amenable number.

1125178713 is a deficient number, since it is larger than the sum of its proper divisors (500079441).

1125178713 is a wasteful number, since it uses less digits than its factorization.

1125178713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125019863 (or 125019860 counting only the distinct ones).

The product of its digits is 11760, while the sum is 36.

The square root of 1125178713 is about 33543.6836528131. The cubic root of 1125178713 is about 1040.0969809093.

The spelling of 1125178713 in words is "one billion, one hundred twenty-five million, one hundred seventy-eight thousand, seven hundred thirteen".