1250125003 has 16 divisors (see below), whose sum is σ = 1348632576. Its totient is φ = 1155417120.

The previous prime is 1250124983. The next prime is 1250125013. The reversal of 1250125003 is 3005210521.

1250125003 is a nontrivial binomial coefficient, being equal to C(50003, 2).

It is a de Polignac number, because none of the positive numbers 2^k-1250125003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1250125013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 774225 + ... + 775837.

It is an arithmetic number, because the mean of its divisors is an integer number (84289536).

Almost surely, 2^1250125003 is an apocalyptic number.

1250125003 is the 50002-nd triangular number.

1250125003 is the 16668-th centered nonagonal number.

1250125003 is a deficient number, since it is larger than the sum of its proper divisors (98507573).

1250125003 is a wasteful number, since it uses less digits than its factorization.

1250125003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754.

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

The square root of 1250125003 is about 35357.1068245127. The cubic root of 1250125003 is about 1077.2532519257.

Adding to 1250125003 its reverse (3005210521), we get a palindrome (4255335524).

It can be divided in two parts, 12501 and 25003, that multiplied together give a triangular number (312562503 = T₂₅₀₀₂).

The spelling of 1250125003 in words is "one billion, two hundred fifty million, one hundred twenty-five thousand, three".