1125292125 has 16 divisors (see below), whose sum is σ = 1872486720. Its totient is φ = 600155600.

The previous prime is 1125292121. The next prime is 1125292127. The reversal of 1125292125 is 5212925211.

It is not a de Polignac number, because 1125292125 - 2² = 1125292121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125292092 and 1125292101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125292121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1500015 + ... + 1500764.

It is an arithmetic number, because the mean of its divisors is an integer number (117030420).

Almost surely, 2^1125292125 is an apocalyptic number.

1125292125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1125292125 is a deficient number, since it is larger than the sum of its proper divisors (747194595).

1125292125 is an equidigital number, since it uses as much as digits as its factorization.

1125292125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000797 (or 3000787 counting only the distinct ones).

The product of its digits is 3600, while the sum is 30.

The square root of 1125292125 is about 33545.3741222244. The cubic root of 1125292125 is about 1040.1319251407.

The spelling of 1125292125 in words is "one billion, one hundred twenty-five million, two hundred ninety-two thousand, one hundred twenty-five".