1125750125 has 12 divisors (see below), whose sum is σ = 1405404468. Its totient is φ = 900300000.

The previous prime is 1125750121. The next prime is 1125750137. The reversal of 1125750125 is 5210575211.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 325369444 + 800380681 = 18038^2 + 28291^2 .

It is not a de Polignac number, because 1125750125 - 2² = 1125750121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125750121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 373625 + ... + 376625.

It is an arithmetic number, because the mean of its divisors is an integer number (117117039).

Almost surely, 2^1125750125 is an apocalyptic number.

It is an amenable number.

1125750125 is a deficient number, since it is larger than the sum of its proper divisors (279654343).

1125750125 is an frugal number, since it uses more digits than its factorization.

1125750125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6017 (or 3006 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 29.

The square root of 1125750125 is about 33552.2000023843. The cubic root of 1125750125 is about 1040.2730191126.

The spelling of 1125750125 in words is "one billion, one hundred twenty-five million, seven hundred fifty thousand, one hundred twenty-five".