1043105413 has 4 divisors (see below), whose sum is σ = 1192120480. Its totient is φ = 894090348.

The previous prime is 1043105389. The next prime is 1043105417. The reversal of 1043105413 is 3145013401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1043105413 - 2⁵ = 1043105381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043105417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74507523 + ... + 74507536.

It is an arithmetic number, because the mean of its divisors is an integer number (298030120).

Almost surely, 2^1043105413 is an apocalyptic number.

It is an amenable number.

1043105413 is a deficient number, since it is larger than the sum of its proper divisors (149015067).

1043105413 is an equidigital number, since it uses as much as digits as its factorization.

1043105413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149015066.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1043105413 is about 32297.1424897002. The cubic root of 1043105413 is about 1014.1668243329.

Adding to 1043105413 its reverse (3145013401), we get a palindrome (4188118814).

The spelling of 1043105413 in words is "one billion, forty-three million, one hundred five thousand, four hundred thirteen".