1105380203 has 2 divisors, whose sum is σ = 1105380204. Its totient is φ = 1105380202.

The previous prime is 1105380179. The next prime is 1105380223. The reversal of 1105380203 is 3020835011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1105380203 is a prime.

It is not a weakly prime, because it can be changed into another prime (1105380223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552690101 + 552690102.

It is an arithmetic number, because the mean of its divisors is an integer number (552690102).

Almost surely, 2^1105380203 is an apocalyptic number.

1105380203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105380203 is an equidigital number, since it uses as much as digits as its factorization.

1105380203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1105380203 is about 33247.2585787159. The cubic root of 1105380203 is about 1033.9603718973.

The spelling of 1105380203 in words is "one billion, one hundred five million, three hundred eighty thousand, two hundred three".