11203134 has 32 divisors (see below), whose sum is σ = 23151744. Its totient is φ = 3612000.

The previous prime is 11203123. The next prime is 11203151. The reversal of 11203134 is 43130211.

It is a super-2 number, since 2×11203134² = 251020422843912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44509 + ... + 44759.

It is an arithmetic number, because the mean of its divisors is an integer number (723492).

Almost surely, 2^11203134 is an apocalyptic number.

11203134 is an abundant number, since it is smaller than the sum of its proper divisors (11948610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11203134 is a wasteful number, since it uses less digits than its factorization.

11203134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 11203134 is about 3347.1083041933. The cubic root of 11203134 is about 223.7586553459.

Adding to 11203134 its reverse (43130211), we get a palindrome (54333345).

The spelling of 11203134 in words is "eleven million, two hundred three thousand, one hundred thirty-four".