11003142 has 32 divisors (see below), whose sum is σ = 22639104. Its totient is φ = 3564000.

The previous prime is 11003137. The next prime is 11003173. The reversal of 11003142 is 24130011.

Added to its reverse (24130011) it gives a triangular number (35133153 = T₈₃₈₂).

It is a happy number.

11003142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 40467 + ... + 40737.

It is an arithmetic number, because the mean of its divisors is an integer number (707472).

Almost surely, 2^11003142 is an apocalyptic number.

11003142 is an abundant number, since it is smaller than the sum of its proper divisors (11635962).

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

11003142 is a wasteful number, since it uses less digits than its factorization.

11003142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11003142 is about 3317.0984308579. The cubic root of 11003142 is about 222.4191820273.

Adding to 11003142 its reverse (24130011), we get a palindrome (35133153).

The spelling of 11003142 in words is "eleven million, three thousand, one hundred forty-two".