1019042 has 4 divisors (see below), whose sum is σ = 1528566. Its totient is φ = 509520.

The previous prime is 1019033. The next prime is 1019059. The reversal of 1019042 is 2409101.

It is a happy number.

1019042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2409101 = 71 ⋅33931.

It can be written as a sum of positive squares in only one way, i.e., 1018081 + 961 = 1009^2 + 31^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1019042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254759 + ... + 254762.

2^1019042 is an apocalyptic number.

1019042 is a deficient number, since it is larger than the sum of its proper divisors (509524).

1019042 is an equidigital number, since it uses as much as digits as its factorization.

1019042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509523.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1019042 is about 1009.4761017478. The cubic root of 1019042 is about 100.6307465566.

The spelling of 1019042 in words is "one million, nineteen thousand, forty-two".