1250117449 has 9 divisors (see below), whose sum is σ = 1454506221. Its totient is φ = 1071317100.

The previous prime is 1250117447. The next prime is 1250117461. The reversal of 1250117449 is 9447110521.

The square root of 1250117449 is 35357.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1250117449 - 2¹ = 1250117447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1250117443) 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 8 ways as a sum of consecutive naturals, for example, 244974 + ... + 250024.

Almost surely, 2^1250117449 is an apocalyptic number.

1250117449 is the 35357-th square number.

1250117449 is the 17679-th centered octagonal number.

It is an amenable number.

1250117449 is a deficient number, since it is larger than the sum of its proper divisors (204388772).

1250117449 is an frugal number, since it uses more digits than its factorization.

1250117449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10116 (or 5058 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The cubic root of 1250117449 is about 1077.2510821193.

The spelling of 1250117449 in words is "one billion, two hundred fifty million, one hundred seventeen thousand, four hundred forty-nine".