1142430 has 32 divisors (see below), whose sum is σ = 2774304. Its totient is φ = 301056.

The previous prime is 1142423. The next prime is 1142431. The reversal of 1142430 is 342411.

1142430 = 476² + 477² + ... + 480².

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3222 + ... + 3558.

It is an arithmetic number, because the mean of its divisors is an integer number (86697).

2^1142430 is an apocalyptic number.

1142430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142430 is an abundant number, since it is smaller than the sum of its proper divisors (1631874).

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

1142430 is a wasteful number, since it uses less digits than its factorization.

1142430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1142430 is about 1068.8451712011. The cubic root of 1142430 is about 104.5385647061.

Adding to 1142430 its reverse (342411), we get a palindrome (1484841).

The spelling of 1142430 in words is "one million, one hundred forty-two thousand, four hundred thirty".