1250124125 has 8 divisors (see below), whose sum is σ = 1560155064. Its totient is φ = 1000099200.

The previous prime is 1250124101. The next prime is 1250124137. The reversal of 1250124125 is 5214210521.

It can be written as a sum of positive squares in 4 ways, for example, as 19307236 + 1230816889 = 4394^2 + 35083^2 .

It is not a de Polignac number, because 1250124125 - 2⁸ = 1250123869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1250124125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5000372 + ... + 5000621.

It is an arithmetic number, because the mean of its divisors is an integer number (195019383).

Almost surely, 2^1250124125 is an apocalyptic number.

It is an amenable number.

1250124125 is a deficient number, since it is larger than the sum of its proper divisors (310030939).

1250124125 is an equidigital number, since it uses as much as digits as its factorization.

1250124125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001008 (or 10000998 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1250124125 is about 35357.0944083362. The cubic root of 1250124125 is about 1077.2529997299.

Adding to 1250124125 its reverse (5214210521), we get a palindrome (6464334646).

The spelling of 1250124125 in words is "one billion, two hundred fifty million, one hundred twenty-four thousand, one hundred twenty-five".