1142330 has 16 divisors (see below), whose sum is σ = 2350080. Its totient is φ = 391632.

The previous prime is 1142321. The next prime is 1142333. The reversal of 1142330 is 332411.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (1142333) 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 7 ways as a sum of consecutive naturals, for example, 8090 + ... + 8229.

It is an arithmetic number, because the mean of its divisors is an integer number (146880).

2^1142330 is an apocalyptic number.

1142330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142330 is an abundant number, since it is smaller than the sum of its proper divisors (1207750).

1142330 is a wasteful number, since it uses less digits than its factorization.

1142330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16333.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1142330 is about 1068.7983907174. The cubic root of 1142330 is about 104.5355144356.

Subtracting from 1142330 its sum of digits (14), we obtain a triangular number (1142316 = T₁₅₁₁).

Adding to 1142330 its reverse (332411), we get a palindrome (1474741).

The spelling of 1142330 in words is "one million, one hundred forty-two thousand, three hundred thirty".