1123150203 has 48 divisors (see below), whose sum is σ = 1969044480. Its totient is φ = 602235648.

The previous prime is 1123150159. The next prime is 1123150219. The reversal of 1123150203 is 3020513211.

It is not a de Polignac number, because 1123150203 - 2⁸ = 1123149947 is a prime.

It is a super-2 number, since 2×1123150203² = 2522932756997882418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123150253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 404526 + ... + 407292.

It is an arithmetic number, because the mean of its divisors is an integer number (41021760).

Almost surely, 2^1123150203 is an apocalyptic number.

1123150203 is a deficient number, since it is larger than the sum of its proper divisors (845894277).

1123150203 is a wasteful number, since it uses less digits than its factorization.

1123150203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176 (or 3173 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1123150203 is about 33513.4331723863. The cubic root of 1123150203 is about 1039.4715643200.

Adding to 1123150203 its reverse (3020513211), we get a palindrome (4143663414).

The spelling of 1123150203 in words is "one billion, one hundred twenty-three million, one hundred fifty thousand, two hundred three".