1043245499 has 4 divisors (see below), whose sum is σ = 1044513936. Its totient is φ = 1041977064.

The previous prime is 1043245487. The next prime is 1043245501. The reversal of 1043245499 is 9945423401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9945423401 = 37897 ⋅262433.

It is a cyclic number.

It is not a de Polignac number, because 1043245499 - 2²⁰ = 1042196923 is a prime.

It is a super-2 number, since 2×1043245499² = 2176722342367518002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043245429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632984 + ... + 634629.

It is an arithmetic number, because the mean of its divisors is an integer number (261128484).

Almost surely, 2^1043245499 is an apocalyptic number.

1043245499 is a deficient number, since it is larger than the sum of its proper divisors (1268437).

1043245499 is an equidigital number, since it uses as much as digits as its factorization.

1043245499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268436.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 1043245499 is about 32299.3111226850. The cubic root of 1043245499 is about 1014.2122221782.

The spelling of 1043245499 in words is "one billion, forty-three million, two hundred forty-five thousand, four hundred ninety-nine".