1020041403 has 16 divisors (see below), whose sum is σ = 1370921760. Its totient is φ = 674608896.

The previous prime is 1020041401. The next prime is 1020041441. The reversal of 1020041403 is 3041400201.

It is not a de Polignac number, because 1020041403 - 2¹ = 1020041401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1020041401) 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 15 ways as a sum of consecutive naturals, for example, 379701 + ... + 382377.

It is an arithmetic number, because the mean of its divisors is an integer number (85682610).

Almost surely, 2^1020041403 is an apocalyptic number.

1020041403 is a deficient number, since it is larger than the sum of its proper divisors (350880357).

1020041403 is a wasteful number, since it uses less digits than its factorization.

1020041403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1020041403 is about 31938.0870278732. The cubic root of 1020041403 is about 1006.6363293758.

Adding to 1020041403 its reverse (3041400201), we get a palindrome (4061441604).

The spelling of 1020041403 in words is "one billion, twenty million, forty-one thousand, four hundred three".