1040102443 has 8 divisors (see below), whose sum is σ = 1044600128. Its totient is φ = 1035612864.

The previous prime is 1040102407. The next prime is 1040102519. The reversal of 1040102443 is 3442010401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1040102443 - 2²¹ = 1038005291 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 1040102443.

It is not an unprimeable number, because it can be changed into a prime (1040102543) 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, 453646 + ... + 455932.

It is an arithmetic number, because the mean of its divisors is an integer number (130575016).

Almost surely, 2^1040102443 is an apocalyptic number.

1040102443 is a deficient number, since it is larger than the sum of its proper divisors (4497685).

1040102443 is a wasteful number, since it uses less digits than its factorization.

1040102443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1040102443 is about 32250.6192653723. The cubic root of 1040102443 is about 1013.1926691026.

Adding to 1040102443 its reverse (3442010401), we get a palindrome (4482112844).

The spelling of 1040102443 in words is "one billion, forty million, one hundred two thousand, four hundred forty-three".