1250625130 has 16 divisors (see below), whose sum is σ = 2252148264. Its totient is φ = 500022720.

The previous prime is 1250625121. The next prime is 1250625133. The reversal of 1250625130 is 315260521.

It can be written as a sum of positive squares in 4 ways, for example, as 511709641 + 738915489 = 22621^2 + 27183^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1250625095 and 1250625104.

It is not an unprimeable number, because it can be changed into a prime (1250625133) 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 7 ways as a sum of consecutive naturals, for example, 4341 + ... + 50200.

Almost surely, 2^1250625130 is an apocalyptic number.

1250625130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1250625130 is a deficient number, since it is larger than the sum of its proper divisors (1001523134).

1250625130 is a wasteful number, since it uses less digits than its factorization.

1250625130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56841.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1250625130 is about 35364.1786275321. The cubic root of 1250625130 is about 1077.3968886568.

Adding to 1250625130 its reverse (315260521), we get a palindrome (1565885651).

It can be divided in two parts, 12506 and 25130, that added together give a square (37636 = 194²).

The spelling of 1250625130 in words is "one billion, two hundred fifty million, six hundred twenty-five thousand, one hundred thirty".