1103388401 has 4 divisors (see below), whose sum is σ = 1103457600. Its totient is φ = 1103319204.

The previous prime is 1103388389. The next prime is 1103388421. The reversal of 1103388401 is 1048833011.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1103388401 - 2¹⁰ = 1103387377 is a prime.

It is a super-2 number, since 2×1103388401² = 2434931926922673602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103388421) 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, 2780 + ... + 47058.

It is an arithmetic number, because the mean of its divisors is an integer number (275864400).

Almost surely, 2^1103388401 is an apocalyptic number.

It is an amenable number.

1103388401 is a deficient number, since it is larger than the sum of its proper divisors (69199).

1103388401 is an equidigital number, since it uses as much as digits as its factorization.

1103388401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69198.

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 1103388401 is about 33217.2906932519. The cubic root of 1103388401 is about 1033.3389620112.

The spelling of 1103388401 in words is "one billion, one hundred three million, three hundred eighty-eight thousand, four hundred one".