1042830 has 24 divisors (see below), whose sum is σ = 2711592. Its totient is φ = 278064.

The previous prime is 1042829. The next prime is 1042837. The reversal of 1042830 is 382401.

It is a happy number.

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 (1042837) 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 11 ways as a sum of consecutive naturals, for example, 5704 + ... + 5883.

It is an arithmetic number, because the mean of its divisors is an integer number (112983).

2^1042830 is an apocalyptic number.

1042830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1042830 is an abundant number, since it is smaller than the sum of its proper divisors (1668762).

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

1042830 is a wasteful number, since it uses less digits than its factorization.

1042830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11600 (or 11597 counting only the distinct ones).

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

The square root of 1042830 is about 1021.1904817418. The cubic root of 1042830 is about 101.4077559045.

The spelling of 1042830 in words is "one million, forty-two thousand, eight hundred thirty".