11142630 has 32 divisors (see below), whose sum is σ = 29714400. Its totient is φ = 2971296.

The previous prime is 11142617. The next prime is 11142631. The reversal of 11142630 is 3624111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142631) 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 15 ways as a sum of consecutive naturals, for example, 20365 + ... + 20904.

It is an arithmetic number, because the mean of its divisors is an integer number (928575).

Almost surely, 2^11142630 is an apocalyptic number.

11142630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11142630 is an abundant number, since it is smaller than the sum of its proper divisors (18571770).

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

11142630 is a wasteful number, since it uses less digits than its factorization.

11142630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41285 (or 41279 counting only the distinct ones).

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

The square root of 11142630 is about 3338.0578185526. The cubic root of 11142630 is about 223.3551153231.

Adding to 11142630 its reverse (3624111), we get a palindrome (14766741).

The spelling of 11142630 in words is "eleven million, one hundred forty-two thousand, six hundred thirty".