1142262 has 40 divisors (see below), whose sum is σ = 2796552. Its totient is φ = 345600.

The previous prime is 1142243. The next prime is 1142263. The reversal of 1142262 is 2622411.

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 (1142263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1462 + ... + 2102.

2^1142262 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142262, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1398276).

1142262 is an abundant number, since it is smaller than the sum of its proper divisors (1654290).

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

1142262 is a wasteful number, since it uses less digits than its factorization.

1142262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 657 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 1142262 is about 1068.7665788188. The cubic root of 1142262 is about 104.5334401500.

Adding to 1142262 its reverse (2622411), we get a palindrome (3764673).

The spelling of 1142262 in words is "one million, one hundred forty-two thousand, two hundred sixty-two".