11042142 has 32 divisors (see below), whose sum is σ = 22843392. Its totient is φ = 3556224.

The previous prime is 11042137. The next prime is 11042149. The reversal of 11042142 is 24124011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11042149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32598 + ... + 32934.

It is an arithmetic number, because the mean of its divisors is an integer number (713856).

Almost surely, 2^11042142 is an apocalyptic number.

11042142 is an abundant number, since it is smaller than the sum of its proper divisors (11801250).

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

11042142 is a wasteful number, since it uses less digits than its factorization.

11042142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 11042142 is about 3322.9718626555. The cubic root of 11042142 is about 222.6816561357.

Adding to 11042142 its reverse (24124011), we get a palindrome (35166153).

The spelling of 11042142 in words is "eleven million, forty-two thousand, one hundred forty-two".