1250812125 has 48 divisors (see below), whose sum is σ = 2338365120. Its totient is φ = 667083600.

The previous prime is 1250812097. The next prime is 1250812139. The reversal of 1250812125 is 5212180521.

It is a happy number.

1250812125 is a `hidden beast` number, since 12 + 508 + 121 + 25 = 666.

1250812125 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1250812125 - 2⁵ = 1250812093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9786 + ... + 50964.

It is an arithmetic number, because the mean of its divisors is an integer number (48715940).

Almost surely, 2^1250812125 is an apocalyptic number.

1250812125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1250812125 is a deficient number, since it is larger than the sum of its proper divisors (1087552995).

1250812125 is an frugal number, since it uses more digits than its factorization.

1250812125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41209 (or 41187 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 1250812125 is about 35366.8223763459. The cubic root of 1250812125 is about 1077.4505838812.

Adding to 1250812125 its reverse (5212180521), we get a palindrome (6462992646).

The spelling of 1250812125 in words is "one billion, two hundred fifty million, eight hundred twelve thousand, one hundred twenty-five".