11142102 has 16 divisors (see below), whose sum is σ = 22758912. Its totient is φ = 3634920.

The previous prime is 11142059. The next prime is 11142107. The reversal of 11142102 is 20124111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19474 + ... + 20037.

It is an arithmetic number, because the mean of its divisors is an integer number (1422432).

Almost surely, 2^11142102 is an apocalyptic number.

11142102 is an abundant number, since it is smaller than the sum of its proper divisors (11616810).

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

11142102 is a wasteful number, since it uses less digits than its factorization.

11142102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39563.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 11142102 is about 3337.9787297105. The cubic root of 11142102 is about 223.3515873300.

Adding to 11142102 its reverse (20124111), we get a palindrome (31266213).

Subtracting 11142102 from its reverse (20124111), we obtain a square (8982009 = 2997²).

The spelling of 11142102 in words is "eleven million, one hundred forty-two thousand, one hundred two".