1102400203 has 4 divisors (see below), whose sum is σ = 1102605048. Its totient is φ = 1102195360.

The previous prime is 1102400183. The next prime is 1102400209. The reversal of 1102400203 is 3020042011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1102400203 - 2⁹ = 1102399691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1102400209) 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, 94126 + ... + 105187.

It is an arithmetic number, because the mean of its divisors is an integer number (275651262).

Almost surely, 2^1102400203 is an apocalyptic number.

1102400203 is a deficient number, since it is larger than the sum of its proper divisors (204845).

1102400203 is an equidigital number, since it uses as much as digits as its factorization.

1102400203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204844.

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

The square root of 1102400203 is about 33202.4126081223. The cubic root of 1102400203 is about 1033.0303827014.

Adding to 1102400203 its reverse (3020042011), we get a palindrome (4122442214).

The spelling of 1102400203 in words is "one billion, one hundred two million, four hundred thousand, two hundred three".