1102020403 has 8 divisors (see below), whose sum is σ = 1202483376. Its totient is φ = 1001604000.

The previous prime is 1102020397. The next prime is 1102020407. The reversal of 1102020403 is 3040202011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102020403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102020407) 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 7 ways as a sum of consecutive naturals, for example, 53925 + ... + 71497.

It is an arithmetic number, because the mean of its divisors is an integer number (150310422).

Almost surely, 2^1102020403 is an apocalyptic number.

1102020403 is a deficient number, since it is larger than the sum of its proper divisors (100462973).

1102020403 is a wasteful number, since it uses less digits than its factorization.

1102020403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23285.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1102020403 is about 33196.6926515278. The cubic root of 1102020403 is about 1032.9117355277.

Adding to 1102020403 its reverse (3040202011), we get a palindrome (4142222414).

The spelling of 1102020403 in words is "one billion, one hundred two million, twenty thousand, four hundred three".