1600042 has 12 divisors (see below), whose sum is σ = 2451366. Its totient is φ = 783200.

The previous prime is 1600037. The next prime is 1600051. The reversal of 1600042 is 2400061.

It can be written as a sum of positive squares in 3 ways, for example, as 1320201 + 279841 = 1149^2 + 529^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1599995 and 1600031.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15792 + ... + 15892.

2^1600042 is an apocalyptic number.

1600042 is a deficient number, since it is larger than the sum of its proper divisors (851324).

1600042 is an equidigital number, since it uses as much as digits as its factorization.

1600042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 192 counting only the distinct ones).

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

The square root of 1600042 is about 1264.9276659161. The cubic root of 1600042 is about 116.9617329258.

The spelling of 1600042 in words is "one million, six hundred thousand, forty-two".