1142208 has 56 divisors (see below), whose sum is σ = 3362960. Its totient is φ = 380160.

The previous prime is 1142201. The next prime is 1142233. The reversal of 1142208 is 8022411.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1398 + ... + 2058.

2^1142208 is an apocalyptic number.

1142208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1681480).

1142208 is an abundant number, since it is smaller than the sum of its proper divisors (2220752).

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

1142208 is an equidigital number, since it uses as much as digits as its factorization.

1142208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1142208 is about 1068.7413157542. The cubic root of 1142208 is about 104.5317928645.

Adding to 1142208 its reverse (8022411), we get a palindrome (9164619).

The spelling of 1142208 in words is "one million, one hundred forty-two thousand, two hundred eight".