1232501449 has 3 divisors (see below), whose sum is σ = 1232536557. Its totient is φ = 1232466342.

The previous prime is 1232501393. The next prime is 1232501453. The reversal of 1232501449 is 9441052321.

The square root of 1232501449 is 35107.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1232501449 - 2⁹ = 1232500937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1232501449.

It is not an unprimeable number, because it can be changed into a prime (1232501549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 17554 + ... + 52660.

It is an arithmetic number, because the mean of its divisors is an integer number (410845519).

Almost surely, 2^1232501449 is an apocalyptic number.

1232501449 is the 35107-th square number.

1232501449 is the 17554-th centered octagonal number.

It is an amenable number.

1232501449 is a deficient number, since it is larger than the sum of its proper divisors (35108).

1232501449 is an frugal number, since it uses more digits than its factorization.

1232501449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70214 (or 35107 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The cubic root of 1232501449 is about 1072.1671073240.

It can be divided in two parts, 1232 and 501449, that added together give a square (502681 = 709²).

The spelling of 1232501449 in words is "one billion, two hundred thirty-two million, five hundred one thousand, four hundred forty-nine".