1020111403 has 8 divisors (see below), whose sum is σ = 1046119536. Its totient is φ = 994207200.

The previous prime is 1020111353. The next prime is 1020111419. The reversal of 1020111403 is 3041110201.

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 1020111403 - 2¹³ = 1020103211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020171403) 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 7 ways as a sum of consecutive naturals, for example, 5908 + ... + 45553.

It is an arithmetic number, because the mean of its divisors is an integer number (130764942).

Almost surely, 2^1020111403 is an apocalyptic number.

1020111403 is a deficient number, since it is larger than the sum of its proper divisors (26008133).

1020111403 is an equidigital number, since it uses as much as digits as its factorization.

1020111403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51965.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1020111403 is about 31939.1828793412. The cubic root of 1020111403 is about 1006.6593555429.

Adding to 1020111403 its reverse (3041110201), we get a palindrome (4061221604).

The spelling of 1020111403 in words is "one billion, twenty million, one hundred eleven thousand, four hundred three".