1250375125 has 8 divisors (see below), whose sum is σ = 1560468312. Its totient is φ = 1000300000.

The previous prime is 1250375089. The next prime is 1250375129. The reversal of 1250375125 is 5215730521.

It can be written as a sum of positive squares in 4 ways, for example, as 225991089 + 1024384036 = 15033^2 + 32006^2 .

It is not a de Polignac number, because 1250375125 - 2⁹ = 1250374613 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 (1250375129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5001376 + ... + 5001625.

It is an arithmetic number, because the mean of its divisors is an integer number (195058539).

Almost surely, 2^1250375125 is an apocalyptic number.

It is an amenable number.

1250375125 is a deficient number, since it is larger than the sum of its proper divisors (310093187).

1250375125 is an equidigital number, since it uses as much as digits as its factorization.

1250375125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10003016 (or 10003006 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 1250375125 is about 35360.6437300002. The cubic root of 1250375125 is about 1077.3250918801.

The spelling of 1250375125 in words is "one billion, two hundred fifty million, three hundred seventy-five thousand, one hundred twenty-five".