1043240326 has 16 divisors (see below), whose sum is σ = 1697325840. Its totient is φ = 478961920.

The previous prime is 1043240321. The next prime is 1043240347. The reversal of 1043240326 is 6230423401.

It is a self number, because there is not a number n which added to its sum of digits gives 1043240326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043240321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372796 + ... + 375583.

It is an arithmetic number, because the mean of its divisors is an integer number (106082865).

Almost surely, 2^1043240326 is an apocalyptic number.

1043240326 is a deficient number, since it is larger than the sum of its proper divisors (654085514).

1043240326 is a wasteful number, since it uses less digits than its factorization.

1043240326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748439.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 1043240326 is about 32299.2310434784. The cubic root of 1043240326 is about 1014.2105458298.

Adding to 1043240326 its reverse (6230423401), we get a palindrome (7273663727).

It can be divided in two parts, 1043240 and 326, that multiplied together give a triangular number (340096240 = T₂₆₀₈₀).

The spelling of 1043240326 in words is "one billion, forty-three million, two hundred forty thousand, three hundred twenty-six".