1250275125 has 32 divisors (see below), whose sum is σ = 2269597824. Its totient is φ = 606192000.

The previous prime is 1250275121. The next prime is 1250275129. The reversal of 1250275125 is 5215720521.

It is an interprime number because it is at equal distance from previous prime (1250275121) and next prime (1250275129).

It is not a de Polignac number, because 1250275125 - 2² = 1250275121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1250275092 and 1250275101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250275121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147424 + ... + 155673.

It is an arithmetic number, because the mean of its divisors is an integer number (70924932).

Almost surely, 2^1250275125 is an apocalyptic number.

1250275125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1250275125 is a deficient number, since it is larger than the sum of its proper divisors (1019322699).

1250275125 is a wasteful number, since it uses less digits than its factorization.

1250275125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303126 (or 303116 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 1250275125 is about 35359.2297003201. The cubic root of 1250275125 is about 1077.2963710642.

Adding to 1250275125 its reverse (5215720521), we get a palindrome (6465995646).

The spelling of 1250275125 in words is "one billion, two hundred fifty million, two hundred seventy-five thousand, one hundred twenty-five".