1142230 has 16 divisors (see below), whose sum is σ = 2177280. Its totient is φ = 429952.

The previous prime is 1142201. The next prime is 1142233. The reversal of 1142230 is 322411.

It is a self number, because there is not a number n which added to its sum of digits gives 1142230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142233) 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, 3190 + ... + 3529.

It is an arithmetic number, because the mean of its divisors is an integer number (136080).

2^1142230 is an apocalyptic number.

1142230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142230 is a deficient number, since it is larger than the sum of its proper divisors (1035050).

1142230 is a wasteful number, since it uses less digits than its factorization.

1142230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6743.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1142230 is about 1068.7516081859. The cubic root of 1142230 is about 104.5324639871.

Adding to 1142230 its reverse (322411), we get a palindrome (1464641).

The spelling of 1142230 in words is "one million, one hundred forty-two thousand, two hundred thirty".