1103400215 has 16 divisors (see below), whose sum is σ = 1403759808. Its totient is φ = 829733376.

The previous prime is 1103400187. The next prime is 1103400223. The reversal of 1103400215 is 5120043011.

It is a cyclic number.

It is not a de Polignac number, because 1103400215 - 2¹⁰ = 1103399191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103400193 and 1103400202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62069 + ... + 77841.

It is an arithmetic number, because the mean of its divisors is an integer number (87734988).

Almost surely, 2^1103400215 is an apocalyptic number.

1103400215 is a deficient number, since it is larger than the sum of its proper divisors (300359593).

1103400215 is a wasteful number, since it uses less digits than its factorization.

1103400215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16618.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1103400215 is about 33217.4685218486. The cubic root of 1103400215 is about 1033.3426499912.

Adding to 1103400215 its reverse (5120043011), we get a palindrome (6223443226).

The spelling of 1103400215 in words is "one billion, one hundred three million, four hundred thousand, two hundred fifteen".