1355050203 has 8 divisors (see below), whose sum is σ = 1945713168. Its totient is φ = 833877024.

The previous prime is 1355050199. The next prime is 1355050217. The reversal of 1355050203 is 3020505531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1355050203 - 2² = 1355050199 is a prime.

It is a super-2 number, since 2×1355050203² = 3672322105300682418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1355057203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17372400 + ... + 17372477.

It is an arithmetic number, because the mean of its divisors is an integer number (243214146).

Almost surely, 2^1355050203 is an apocalyptic number.

1355050203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1355050203 is a deficient number, since it is larger than the sum of its proper divisors (590662965).

1355050203 is a wasteful number, since it uses less digits than its factorization.

1355050203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34744893.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 1355050203 is about 36811.0065469555. The cubic root of 1355050203 is about 1106.5858907128.

Adding to 1355050203 its reverse (3020505531), we get a palindrome (4375555734).

The spelling of 1355050203 in words is "one billion, three hundred fifty-five million, fifty thousand, two hundred three".