11207142 has 12 divisors (see below), whose sum is σ = 24282180. Its totient is φ = 3735708.

The previous prime is 11207129. The next prime is 11207149. The reversal of 11207142 is 24170211.

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: 622619 = 11207142 / (1 + 1 + 2 + 0 + 7 + 1 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11207149) 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 5 ways as a sum of consecutive naturals, for example, 311292 + ... + 311327.

It is an arithmetic number, because the mean of its divisors is an integer number (2023515).

Almost surely, 2^11207142 is an apocalyptic number.

11207142 is an abundant number, since it is smaller than the sum of its proper divisors (13075038).

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

11207142 is a wasteful number, since it uses less digits than its factorization.

11207142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622627 (or 622624 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 11207142 is about 3347.7069764243. The cubic root of 11207142 is about 223.7853359088.

Adding to 11207142 its reverse (24170211), we get a palindrome (35377353).

The spelling of 11207142 in words is "eleven million, two hundred seven thousand, one hundred forty-two".