1125003250 has 48 divisors (see below), whose sum is σ = 2449870488. Its totient is φ = 385711200.

The previous prime is 1125003247. The next prime is 1125003251. The reversal of 1125003250 is 523005211.

It can be written as a sum of positive squares in 4 ways, for example, as 197374401 + 927628849 = 14049^2 + 30457^2 .

It is not an unprimeable number, because it can be changed into a prime (1125003251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33669 + ... + 58168.

Almost surely, 2^1125003250 is an apocalyptic number.

1125003250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125003250 is an abundant number, since it is smaller than the sum of its proper divisors (1324867238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125003250 is an equidigital number, since it uses as much as digits as its factorization.

1125003250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91868 (or 91851 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 1125003250 is about 33541.0681106014. The cubic root of 1125003250 is about 1040.0429130468.

Adding to 1125003250 its reverse (523005211), we get a palindrome (1648008461).

The spelling of 1125003250 in words is "one billion, one hundred twenty-five million, three thousand, two hundred fifty".