1100146203 has 24 divisors (see below), whose sum is σ = 1712456928. Its totient is φ = 676570752.

The previous prime is 1100146181. The next prime is 1100146213. The reversal of 1100146203 is 3026410011.

It is a happy number.

It is not a de Polignac number, because 1100146203 - 2⁶ = 1100146139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1100146213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 336151 + ... + 339407.

It is an arithmetic number, because the mean of its divisors is an integer number (71352372).

Almost surely, 2^1100146203 is an apocalyptic number.

1100146203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1100146203 is a deficient number, since it is larger than the sum of its proper divisors (612310725).

1100146203 is a wasteful number, since it uses less digits than its factorization.

1100146203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163 (or 6160 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1100146203 is about 33168.4519234769. The cubic root of 1100146203 is about 1032.3258475060.

Adding to 1100146203 its reverse (3026410011), we get a palindrome (4126556214).

The spelling of 1100146203 in words is "one billion, one hundred million, one hundred forty-six thousand, two hundred three".