1043642 has 8 divisors (see below), whose sum is σ = 1584576. Its totient is φ = 515452.

The previous prime is 1043639. The next prime is 1043657. The reversal of 1043642 is 2463401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2978 + ... + 3309.

It is an arithmetic number, because the mean of its divisors is an integer number (198072).

2^1043642 is an apocalyptic number.

1043642 is a deficient number, since it is larger than the sum of its proper divisors (540934).

1043642 is an equidigital number, since it uses as much as digits as its factorization.

1043642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6372.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1043642 is about 1021.5879795691. The cubic root of 1043642 is about 101.4340694727.

The spelling of 1043642 in words is "one million, forty-three thousand, six hundred forty-two".