11203146 has 12 divisors (see below), whose sum is σ = 24273522. Its totient is φ = 3734376.

The previous prime is 11203123. The next prime is 11203151. The reversal of 11203146 is 64130211.

It is a happy number.

11203146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10017225 + 1185921 = 3165^2 + 1089^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 622397 = 11203146 / (1 + 1 + 2 + 0 + 3 + 1 + 4 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311181 + ... + 311216.

Almost surely, 2^11203146 is an apocalyptic number.

11203146 is an abundant number, since it is smaller than the sum of its proper divisors (13070376).

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

11203146 is a wasteful number, since it uses less digits than its factorization.

11203146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622405 (or 622402 counting only the distinct ones).

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

The square root of 11203146 is about 3347.1100967850. The cubic root of 11203146 is about 223.7587352373.

Adding to 11203146 its reverse (64130211), we get a palindrome (75333357).

The spelling of 11203146 in words is "eleven million, two hundred three thousand, one hundred forty-six".